A gunman opened fire near Istanbul's Blue Mosque today, wounding two people in the heart of Istanbul's tourist centre, a witness said.
The witness said he helped carry two injured people into ambulances.
State-run TRT television said the motive of the attack was not clear and that the gunman reportedly fired randomly.
It was not clear if the gunman was captured.
Police break up tents protest
Police have moved in on the Occupy Los Angeles encampment at City Hall and began arresting protesters who defied an eviction notice.
Officers began a raid on the camp early today, two days after a deadline passed for protesters to clear out.
Police also took similar action in Philadelphia, telling members of the movement they would have to leave and arresting six protesters who had crossed into a street at the site outside City Hall.
About half of some 500 tents in Los Angeles remained after the Monday morning deadline.