On the condition of those people injured. The state police say the driver was 56 years old and stayed at the scene, cooperating and being interviewed by the police. We will follow the story throughout the day and bring updates online in in the later newscast. Investigating two deadly crashes in the san pablo area westbound interstate 80 and they happen within hours of each other about one mile apart. The latest happened near 6 30 am at the san pablo road exit after the semi truck made an unsafe lane change hitting and killing the motorcyclist. The semi truck left the scene of the crash after stopping briefly and they are still searching for the driver. The semi made the unsafe lane change into the motorcycle and the driver was ejected from the motorcycle and pronounced dead. The semi truck pulled over, stayed for about five minutes and then fled the scene. Chp is asking any witnesses that may have seen what happened to contact them. The first crash happened just after 4 am on help for