Turkish Police Enter Taksim Square

A protester throws a petrol bomb towards a crowd control vehicle in Taksim Square in Istanbul, June 11, 2013.

A crowd control vehicle fires a water cannon against protesters in Taksim Square in Istanbul, June 11, 2013.

A protester throws a bottle at riot police in Taksim Square in Istanbul, June 11, 2013.

A Turkish riot police officer pushes a photographer during a protest in Taksim Square in Istanbul, June 11, 2013. 

A protester taunts riot police in Taksim Square in Istanbul, June 11, 2013.

A protester walks in front of a burning barricade during clashes in Taksim Square in Istanbul, June 11, 2013.

A protester runs to avoid tear gas as police take cover next to a water cannon in Taksim Square in Istanbul, June 11, 2013.

Protesters carry another protester affected by tear gas during clashes in Taksim Square in Istanbul, June 11, 2013.