The crash was between a semi-truck and a passenger vehicle. The circumstances under which the vehicles collided remained under investigation

Winchester, WA.- Authorities are investigating a deadly big rig collision that occurred near Winchester on Thursday.
According to a report by the Washington State Patrol, the incident happened on Highway 28.
The crash was between a semi-truck and a passenger vehicle. The circumstances under which the vehicles collided remained under investigation.
The WSP said at least one person was killed in the crash.
The eastbound side of the highway was shut down following the accident.
The WSP is working to determine the cause of the crash.
