30-08-2019 - Mural and flowers commemorating the fatal stabbing of 16 year old Alex Smith in August 2019, Munster Square, Regent's Park Estate, Camden, London © Philip Wolmuth

10-07-2008 - Flowers, candles and messages left at the site of the fatal stabbing of teenager Ben Kinsella in North Road, Islington, London. © Philip Wolmuth

10-07-2008 - Flowers, candles and messages left at the site of the fatal stabbing of teenager Ben Kinsella in North Road, Islington, London. © Philip Wolmuth

10-07-2008 - Flowers, candles and messages left at the site of the fatal stabbing of teenager Ben Kinsella in North Road, Islington, London. © Philip Wolmuth

10-07-2008 - Flowers, candles and messages left at the site of the fatal stabbing of teenager Ben Kinsella in North Road, Islington, London. © Philip Wolmuth

10-07-2008 - Flowers, candles and messages left at the site of the fatal stabbing of teenager Ben Kinsella in North Road, Islington, London. © Philip Wolmuth

10-07-2008 - Flowers, candles and messages left at the site of the fatal stabbing of teenager Ben Kinsella in North Road, Islington, London. © Philip Wolmuth

10-07-2008 - Flowers, candles and messages left at the site of the fatal stabbing of teenager Ben Kinsella in North Road, Islington, London. © Philip Wolmuth

10-07-2008 - Flowers, candles and messages left at the site of the fatal stabbing of teenager Ben Kinsella in North Road, Islington, London. © Philip Wolmuth

10-07-2008 - Flowers, candles and messages left at the site of the fatal stabbing of teenager Ben Kinsella in North Road, Islington, London. © Philip Wolmuth

23-07-2006 - The streets around Fishwick Parade in Preston where 20 year old Shezan Umarji was stabbed to death in the early hours of Saturday in a racist incident. © Christopher Thomond

23-07-2006 - Flowers tied to a tree at the spot in Fishwick Parade , Preston, where 20 year old Shezan Umarji was stabbed to death in the early hours of Saturday in a racist incident. © Christopher Thomond

09-07-2005 - Kings Cross Station, central London. Flowers for those who died in the bombings at an impromptu shrine © Joanne O'Brien

20-07-2003 - Police Officer delivering flowers outside the Southmoor home of David Kelly the MOD Scientist found dead in a nearby wood. © Duncan Phillips

06-04-2003 - Police video camera operator filming anti war protest at the main gate of RAF Fairford © Paul Mattsson

22-03-2003 - Portrait of a Iraq child and flowers.Anti war protest at RAF Fairford, where attacks on Iraq are being launched by USAF B52 bombers. Gloucestershire. © John Harris

05-02-2000 - Floral tribute Justice for Errol and Jason McGowan who were found hanged. Protest outside Wellington Police station Telford © John Harris

12-03-1999 - Memorial stone for Stephen Lawrence in Eltham Road, south London - the scene of his murder by racists © Stefano Cagnoni

12-03-1999 - Memorial stone for Stephen Lawrence laid in Eltham Road, south London - scene of his murder by racists © Stefano Cagnoni

06-06-1959 - Mourners laying flowers at the funeral of Kelso Cochrane, St Michael and All Angels Church, Ladbroke Grove, West London, 1959. Kelso Cochrane, an Antiguan immigrant, was stabbed by 3 white youths, tho... © Alan Vines

06-06-1959 - Mourners laying flowers at the funeral of Kelso Cochrane, St Michael and All Angels Church, Ladbroke Grove, West London, 1959. Kelso Cochrane, an Antiguan immigrant, was stabbed by 3 white youths, tho... © Alan Vines

06-06-1959 - Some of the 1200 mourners at the funeral of Kelso Cochrane at the St Michael and All Angels Church, Ladbroke Grove, west London, 1959. Kelso Cochrane, an Antiguan immigrant, was stabbed by 3 white you... © Alan Vines