At 1:05 PM Sunday, LAFD and LAPD responded to a 2 vehicle traffic accident in the 18100 block of W. Keswick. Firefighters had extricate one of the drivers who was listed in serious condition. He was treated by paramedics and transported to a local trauma center. The other driver was also transported with minor injuries. LAPD VTD was investigating the accident. It was unknown if alcohol or drugs contributed to the crash.