Seaside police are searching for an unidentified 20 year old salinas man who fled the scene of a fatal crash on Highway 1 last night. Authorities say the wreck happened at 6:30 near Canyon Del Rey Boulevard, when a truck flipped upside down and landed on the off ramp. 22 year old Olivia Burges was ejected from the vehicle. The victim was and pronounced dead en-route to the hospital. Another passenger was treated for moderate injuries. Alcohol and drugs are believed to be involved in the incident. Anyone with information is urged to contact Seaside police.