US officers slain in 'ambush'

- Two policemen are in the US state of Iowa shot dead in their patrol cars in two incidents. According to the police seem incidents ' ambush like attacks ''.

The first case early in the night from Tuesday to Wednesday was in Urbandale. A police responded to reports that shots were fired. Colleagues found him moments later dead behind the wheel of his car.

Other police officers drove to the scene of the shooting, came along the road a patrol car which was in a police officer with gunshot wounds. Who died on way to hospital.

According to police, the two were victims ' just clear the wheel 'when they were hit and they had no previous contact with the perpetrator (s).