04-10-2015 - Army soldiers deployed for crowd control, national holiday, Nanjing Road, Shanghai, China. © Connor Matheson

04-06-2013 - Congolese reinforcements for the FOMAC disembark with their baggage on an airstrip on June 4, 2013, in Bangui, Central African Republic. Seleka former rebels took power in a bloody coup on March 24th © Boris Heger

04-06-2013 - Congolese reinforcements for the FOMAC disembark with their baggage on an airstrip on June 4, 2013, in Bangui, Central African Republic. Seleka former rebels took power in a bloody coup on March 24th © Boris Heger

04-06-2013 - Congolese reinforcements for the FOMAC disembark with their baggage on an airstrip on June 4, 2013, in Bangui, Central African Republic. Seleka former rebels took power in a bloody coup on March 24th © Boris Heger

04-06-2013 - Congolese reinforcements for the FOMAC disembark with their baggage on an airstrip on June 4, 2013, in Bangui, Central African Republic. Seleka former rebels took power in a bloody coup on March 24th © Boris Heger

04-06-2013 - Congolese UPC reinforcements for the FOMAC disembark with their baggage on an airstrip June 4, 2013, in Bangui, Central African Republic. Seleka former rebels took power in a bloody coup on March 24th... © Boris Heger

18-08-2011 - Colombian army soldiers anti narcotic patroling a beach and monitoring the movements of fast boats which could be smuggling cocaine. The pacific coast of Colombia is the main exit point for illegal ex... © Boris Heger

18-08-2011 - Colombian army soldiers anti narcotic patroling a beach and monitoring the movements of fast boats which could be smuggling cocaine. The pacific coast of Colombia is the main exit point for illegal ex... © Boris Heger

02-03-2011 - A colombian army soldier onboard a Black Hawk helicopter looking for illegal coca fields on the border of Ecuador and Colombia. © Boris Heger

03-02-2011 - Bogota, Colombia Army military police Brigade No 13 patrol passing by on an operation into the poor and dangerous neighbourhood mostly populated by internally displaced people. Bogota, Colombia. © Boris Heger

15-06-2010 - Young man being asked to move along. Muslims Against Crusades protesters demonstrate against British soldiers returning from Afghanistan homecoming parade. Barking, East London. © Justin Tallis

10-12-2009 - Anti-narcotic police officers and UMOPAR (Mobile Police Unit for Rural Areas) patrol searching for cocaine production. Bolivia. © Boris Heger

10-12-2009 - Anti-narcotic police officers and UMOPAR (Mobile Police Unit for Rural Areas) patrol searching for cocaine production. Bolivia. © Boris Heger

10-12-2009 - Anti-narcotic police officers and UMOPAR (Mobile Police Unit for Rural Areas) patrol searching for cocaine production. Bolivia. © Boris Heger

10-12-2009 - Anti-narcotic police examining cocaine paste in an illegal laboratory they have just discovered. Bolivia. © Boris Heger

10-12-2009 - Anti-narcotic police examining cocaine paste in an illegal laboratory they have just discovered. Bolivia. © Boris Heger

10-12-2009 - Anti-narcotic police examining cocaine paste in an illegal laboratory they have just discovered. Bolivia. © Boris Heger

10-12-2009 - Anti-narcotic police examining cocaine paste in an illegal laboratory they have just discovered. Bolivia. © Boris Heger

10-12-2009 - Anti-narcotic police examining cocaine paste in an illegal laboratory they have just discovered. Bolivia. © Boris Heger

10-12-2009 - Anti-narcotic police officers preparing to burn cocaine paste and leaves in an illegal laboratory they have just discovered. Bolivia. © Boris Heger

10-12-2009 - Anti-narcotic police officers preparing to burn cocaine paste and leaves in an illegal laboratory they have just discovered. Bolivia. © Boris Heger

10-12-2009 - Anti-narcotic police officers preparing to burn cocaine paste and leaves in an illegal laboratory they have just discovered. Bolivia. © Boris Heger

10-12-2009 - Anti-narcotic police officers burning cocaine paste, leaves and an illegal laboratory they have just discovered. Bolivia. © Boris Heger

10-12-2009 - Anti-narcotic police officers burning cocaine paste, leaves and an illegal laboratory they have just discovered. Bolivia. © Boris Heger

10-12-2009 - Anti-narcotic police officers burning cocaine paste, leaves and an illegal laboratory they have just discovered. Bolivia. © Boris Heger

08-10-2007 - Palestinian Muslim worshippers wait at an Israeli army checkpoint by the barrier that separates the West Bank and Jerusalem. They are trying to reach Jerusalems Al Aqsa Mosque, which is between the We... © Morris Bernard

08-10-2007 - Palestinian Muslim worshippers wait in a narrow pass at an Israeli army checkpoint by the barrier that separates the West Bank and Jerusalem. They are trying to reach Jerusalems Al Aqsa Mosque, which... © Morris Bernard

08-10-2007 - Palestinian Muslim worshippers show id cards at an Israeli army checkpoint by the barrier that separates the West Bank and Jerusalem. They are trying to reach Jerusalems Al Aqsa Mosque, which is betwe... © Morris Bernard

08-10-2007 - Palestinian Muslim worshippers waiting in a narrow pass at an Israeli army checkpoint by the barrier that separates the West Bank and Jerusalem. They are trying to reach Jerusalems Al Aqsa Mosque, whi... © Morris Bernard

08-10-2007 - Palestinian Muslim worshippers wait at an Israeli army checkpoint by the barrier that separates the West Bank and Jerusalem. They are trying to reach Jerusalems Al Aqsa Mosque, which is between the We... © Morris Bernard

08-10-2007 - Palestinian Muslim worshippers wait at an Israeli army checkpoint by the barrier that separates the West Bank and Jerusalem. They are trying to reach Jerusalems Al Aqsa Mosque, which is between the We... © Morris Bernard

19-07-2005 - Israeli police prevent Israeli settlers opposing withdrawal from Gaza going into the Gush Katif Area to protest. Gaza 2005 © Andrija Ilic

13-02-2005 - A Serb child peeks through the crowd guarded by armed United Nations police in the Serb populated village of Silovo, an isolated Serb enlclave of Kosovo. Serbian minorities are exposed daily to hostil... © Andrija Ilic

13-02-2005 - A Serb child peeks through the crowd guarded by armed United Nations police in the Serb populated village of Silovo, an isolated Serb enlclave of Kosovo.Serbian minorities are exposed daily to hostili... © Andrija Ilic

01-09-2004 - Colombian asylum seekers have their papers checked crossing the border over San Miguel bridge into Ecuador. Ecuador 2004 © Boris Heger

01-09-2004 - UNHCR worker with Venezuelan border guard as Colombian refugees cross the border. Amparo, Venezuela 2004 © Boris Heger

01-09-2004 - Riot police on patrol during social protest in Bogota. Colombia 2004 © Boris Heger

01-09-2004 - Riot police on patrol during a protest, Bogota. Colombia 2004 © Boris Heger

01-09-2004 - Riot police on patrol during social protest in Bogota. Colombia 2004 © Boris Heger

29-08-2004 - A soldier stands guard infront of the Presidential Palace, Lima, Peru, September 2004. © Boris Heger

14-11-2002 - Police in attendance at a fire attended by 3 Green Goddesses manned by armed forces during the firefighters strike. The fire was at the derelict Golden Shoe pub on the notorious Kingsmead Estate in Ho... © Geoff Crawford

14-02-1996 - Cordon Control Officer from the Metropolitan Police assisting employees attempting to remove equipment from their offices at South Quays in Docklands, damaged by the IRA bomb blast of February 1996 © Stefano Cagnoni

01-07-1992 - A young Palestinian routinely searched on his way to school by Israeli border police, East Jerusalem © Howard Davies

15-03-1991 - Albanian refugees Railway station, Brindisi, Italy 1991, boarding trains for a new life in northern Italy. Fleeing the collapse of communism in destitute Albania. © Melanie Friend

04-12-1986 - Cruisewatch protesters stop an American Cruise Missile convoy near Westdown Camp on Salisbury Plain in Wiltshire. © Bob Naylor

26-11-1986 - Crusiewatch protest stop an American Cruise Missile convoy near Ludgershall on its way from Greenham Common to Salisbury Plain. © Bob Naylor

26-11-1986 - Crusiewatch protest stop a Greenham Common based American Cruise Missile convoy at Tilshead on Salisbury Plain. © Bob Naylor

26-11-1986 - Sarah Graham on top of a Cruise Missile convoy vehicle stopped by Cruisewatch protest, Tilshead, Salisbury Plain 1986 © Bob Naylor

04-11-1986 - Cruisewatch protestors stop an American Cruise Missile convoy returning from Salisbury Plain to its base at Greenham Common on Wednesday November 4th, 1986 © Bob Naylor

20-04-1986 - Bombing of Libya 1986. Protest against the use of Burtonwood, the largest supply depot for the US army in Britain, as part of the operation of bases on British soil used by the US airforce to bomb Lib... © John Smith

10-02-1985 - RAF Molesworth Peace Camp 1985 Police removing protestors blocking the road, lying down outside the main gate to the base as an army vehicle approaches, about to be removed by police. RAF Molesworth,... © Melanie Friend

12-10-1984 - Police help a guest caught in the bomb blast at the Grand Hotel, Brighton, which the IRA detonated with the aim of assassinating Prime Ministe Margaret Thatcher © Martin Mayer

12-10-1984 - Police and firemen outside the heavily damaged Grand Hotel, Brighton, just after the bomb attack in which the IRA attempted to assassinate Prime Minister Margaret Thatcher © Martin Mayer

06-07-1984 - Kathleen Stewart, 1984 mother of Brian who was killed by an army plastic bullet aged 13 in Belfast in 1976, press conference, London. She and her daughter Marie campaigning to expose what they claimed... © NLA

20-10-1983 - Greenham Common. Police officers arrest a woman as she enters the US air base as part of her campaign of direct action for peace and against nuclear weapons held at the site. 1983 © Melanie Friend

27-10-1981 - Police searching shopping bags, Selfridges, Oxford Street, London 1981 during IRA bombing campaign © NLA

11-05-1979 - Kieran Nugent leaving the Maze Prison, Long Kesh after completing of his sentence most of which was spent On the Blanket in protest against the withdrawal of political prisoner status Northern Ireland... © Derek Speirs

06-04-1979 - Two sons of Zulfikar Ali Bhutto, Mir Murtaza Bhutto and Shahnawaz Bhutto, tribunal into the execution of Zulfikar Ali Bhutto, prime minister of Pakistan London 1979 He was overthrown by his army chief... © Ray Rising

06-04-1979 - Ramsey Clark, US lawyer chairing the tribunal into the execution of Zulfikar Ali Bhutto, prime minister of Pakistan London 1979 He was overthrown by his army chief, General Zia-ul-Haq in a military Co... © Ray Rising

26-11-1978 - H Block prisoners Relatives Action Committee protest, Hyde Park, London 1978 © Philip Wolmuth

10-10-1978 - Astrid Proll extradition case, the Old Bailey, London 1978. Larry Grant of the NCCL, acting for Astrid Proll, with demonstrators behind, talking to a senior Police Officer © NLA

17-07-1978 - Troops, including tanks and armoured cars, occupy London's Heathrow Airport in response to security threats, including from the IRA--one of several such occupations in the 1970s and beyond. © NLA

31-05-1976 - Smiling policeman and boy with toy machine gun outside The Who concert 1976, Charlton football ground, South East London © Martin Mayer

12-12-1975 - Balcombe Street siege, 1975 Armed police arresting surrendering IRA member, Marylebone, London © Peter Arkell

07-12-1975 - Balcombe Street siege of four IRA men London 1975 Met police commissioner Sir John Marks talking to police officers © Martin Mayer

07-12-1975 - Balcombe Street siege of four IRA men London 1975 Armed police sorround the house where 4 IRA men were holed up after an attack on a restaurant © Martin Mayer

20-11-1975 - Charles Clarke NUS, Pat Arrowsmith (R) trial of BWNIC 14 British Withdrawal from Northern Ireland Campaign who had distributed a leaflet at Army Barracks Some Information for Discontented Soldiers, Ol... © NLA

11-09-1975 - Police using mirror to look under and detect car bombs during IRA bombing campaign, London 1975 © NLA

26-06-1974 - Joint Army-police operation occupying Heathrow Airport 1974 set up road blocks in response to a security threat from the IRA © Peter Arkell

26-06-1974 - Joint Army-police operation occupying Heathrow Airport 1974 set up road blocks in response to a security threat from the IRA © Peter Arkell

26-06-1974 - Troops, including tanks and armoured cars, occupy London's Heathrow Airport in response to security threats, including from the IRA--one of several such occupations in the 1970s and beyond. © Peter Arkell

13-03-1974 - Joint Army-police operation occupying Heathrow Airport 1974 set up road blocks in response to a security threat from the IRA © Martin Mayer

05-01-1974 - Joint Army-police operation occupying Heathrow Airport 1974 set up road blocks in response to a security threat from the IRA © Martin Mayer

05-01-1974 - Joint Army-police operation occupying Heathrow Airport 1974 set up road blocks in response to a security threat from the IRA © Martin Mayer

05-01-1974 - Joint Army-police operation occupying Heathrow Airport 1974 set up road blocks in response to a security threat from the IRA © Martin Mayer

24-04-1973 - Police searching cars near Lambeth Magistrates Court, London 1973 during the trial of the Belfast 10 on charges made after the London bomb explosions on March 8 © Peter Arkell

24-04-1973 - Police searching cars near Lambeth Magistrates Court, London 1973 during the trial of the Belfast 10 on charges made after the London bomb explosions on March 8 © Peter Arkell

24-04-1973 - The Belfast 10 arriving in a black maria for trial, Lambeth Magistrates Court, London 1973 for trial on charges made after the London bomb explosions on March 8. © Peter Arkell

24-04-1973 - Police searching cars near Lambeth Magistrates Court, London 1973 during the trial of the Belfast 10 on charges made after the London bomb explosions on March 8. © Peter Arkell

08-03-1973 - IRA car bomb blast in the street outside the Old Bailey court, London © Peter Arkell

08-03-1973 - IRA car bomb blast in the street outside the Old Bailey court, London © Peter Arkell

08-03-1973 - IRA car bomb blast in the street outside the Old Bailey court, London. Shattered windows opposite. © Peter Arkell

08-03-1973 - IRA bomb blast at Old Bailey. Mangled debris of car and shattered glass in street as police remove cordon © Peter Arkell

08-03-1973 - IRA car bomb blast in the street outside the Old Bailey court, London © Peter Arkell