State TV says bomb attack targets police vehicle in Istanbul

A Turkish medic rushes in to work at the explosion site after a bus carrying riot police official was struck by a bomb in Istanbul, Tuesday, June 7, 2016. At least five police officers were wounded. The blast occurred at a busy intersection near an Istanbul University building in the city's Beyazit district during the morning rush hour. (DHA via AP) TURKEY OUT (The Associated Press)

Turkish security officials and firefighters work at the explosion site after a bus carrying riot police official was struck by a bomb in Istanbul, Tuesday, June 7, 2016. At least five police officers were wounded. The blast occurred at a busy intersection near an Istanbul University building in the city's Beyazit district during the morning rush hour. (DHA via AP) TURKEY OUT (The Associated Press)

Turkish security officials and firefighters work at the explosion site after a bus carrying riot police official was struck by a bomb in Istanbul, Tuesday, June 7, 2016. At least five police officers were wounded. The blast occurred at a busy intersection near an Istanbul University building in the city's Beyazit district during the morning rush hour. (DHA via AP) TURKEY OUT (The Associated Press)

Turkey's state television says a police vehicle has been targeted by a bomb attack in Istanbul.

TRT television says the attack occurred Tuesday in Istanbul's Beyazit district.

The state-run Anadolu Agency says several ambulances were sent to the scene.