Cops warn Justin Bieber over his driving

Police pulled over pop star Justin Bieber in Los Angeles Wednesday for unsafe driving, but let him off with a warning.

Bieber, 17, in his customized Cadillac with Batman emblems, was driving on Ventura Boulevard when he was stopped by the North Hollywood LAPD. A police representative told E! News that the singer was making an unsafe left turn at an intersection.

TMZ.com, which first reported the incident, said that Bieber was let go with a warning after promising to drive more carefully.

Bieber had been stopped and let go with a warning in October, the site said, after he cut off a California Highway Patrol officer while driving in a three-car motorcade with friends in a Range Rover and a black Rolls-Royce.

Bieber himself was driving that Rolls-Royce, belonging to his singer friend Sean Kingston, in South Beach, Miami, on July 29, when cops there pulled him over. HollywoodLife.com quoted witnesses saying police had been simply curious about what seemed like a very young person behind the wheel of an exceptionally expensive new car.