Anti-capitalists get blasted

Turkish riot police turn water jets on protestors in Istanbul

Picture Past: July 12, 1967, Newark riots

1967: Race riots broke out in Newark, New Jersey

Picture Past: July 5, 1981, Toxteth riots

1981: Policemen stood guard in Toxteth, Liverpool after a night of rioting

Iran: post-election riots

Supporters of the defeated moderate presidential candidate Mir Hossein Mousavi have clashed with police in Tehran

Picture Past: May 14, 1968, Paris riots

1968: Students took to the streets of Paris during several weeks of clashes with police

Pic of the Day: Riot police clear French prison demonstration

French police deploy tear gas against protesting prison wardens

G20 summit: Diary of a London green protestor

Live reports from the G20 protests in London

‘Political policing’ of G20 protests could lead to riots

Warnings that protests against next week's G20 summit could turn violent are provocative and self-fulfilling

A history of violence

A look at just some of the riots that have gripped the world in recent times