29-01-2019 - Police speaking to a Brexit protester. Brexit supporters protest, Houses of Parliament as MPs vote on amendments withdrawal deal with the EU, Westminster, London © Philip Wolmuth

09-01-2019 - Police officers escorting anti Brexit campaigner Steve Bray out of the media encampment on College Green outside the Houses of Parliament as MPs start five days of debate on the withdrawal agreement w... © Philip Wolmuth

07-11-2012 - Athens, Greece, Clashes between protesters and riot police. Second of a two-day general strike against austerity © Socrates Baltagiannis

11-05-2011 - CCTV camera in Parliament Square. © Philip Wolmuth

11-05-2011 - CCTV camera in Parliament Square. © Philip Wolmuth

09-12-2010 - Lone female student faces a phalanx of riot police as she arrives in Parliament Square at the end of a march through London to Parliament to protest against the vote to increase fees for University ed... © Stefano Cagnoni

09-12-2010 - Police horses charging student protesters, Parliament Square. Demonstration against plans to raise tuition fees and cuts in university funding. London. © Justin Tallis

09-12-2010 - Students clash with riot police whilst they are contained in Parliament Square. Demonstration against plans to raise tuition fees and cuts in university funding. Parliament Square. London. © Justin Tallis

09-12-2010 - Students clash with riot police whilst they are contained in Parliament Square. Demonstration against plans to raise tuition fees and cuts in university funding. Parliament Square. London. © Justin Tallis

09-12-2010 - Police horses charge protesters contained in Parliament Square. Demonstration against plans to raise tuition fees and cuts in university funding. London. © Justin Tallis

01-10-2009 - Lord Phillips, President of The Supreme Court, and Deputy President Lord Hope lead the new Justices from the court in Parliament Square following an inauguration ceremony. © Philip Wolmuth

01-10-2009 - A security guard outside the Supreme Court in Parliament Square. © Philip Wolmuth

01-10-2009 - Lord Phillips, President of The Supreme Court, outside the new court in Parliament Square on the day of its inauguration. © Philip Wolmuth

01-10-2009 - Lord Phillips, President of The Supreme Court, outside the new court in Parliament Square on the day of its inauguration. © Philip Wolmuth

01-10-2009 - Lord Phillips, President of The Supreme Court, outside the new court in Parliament Square on the day of its inauguration. © Philip Wolmuth

01-10-2009 - Lord Phillips, President of The Supreme Court, outside the new court in Parliament Square on the day of its inauguration. © Philip Wolmuth

01-10-2009 - Lord Phillips, President of The Supreme Court, outside the new court in Parliament Square on the day of its inauguration. © Philip Wolmuth

24-06-2009 - Diplomatic police officers perform a section 44 Stop and Account on an Iranian journalist filming in Parliament Square. London. © Justin Tallis

24-06-2009 - Diplomatic police officers perform a section 44 Stop and Account on an Iranian journalist filming in Parliament Square. London. © Justin Tallis

31-08-2006 - A "mass lone demonstration" in Parliament Square against the ban on unauthorised protests within one kilometre of the Houses of Parliament. © Philip Wolmuth