A suspected drunken driver caused a two vehicle collision Friday night, resulting in three injuries, at least two of them serious. The male driver, in his early 20's, suffered internal injuries, and a serious arm injury. His passenger suffered serious leg injuries. According to police, as reported in the San Diego Union Tribune, the accident occurred Friday night at Park Village Road and Ragweed Street in Rancho Penasquitos. The drunker driver ran a red light. The injured were taken to local hospitals. None of the injuries were life threatening.