Authorities searched for the driver of a deadly hit-and-run Monday in National City.
Witnesses say a man walked into oncoming traffic on northbound Interstate 805 at East Plaza Boulevard just after midnight.
He was struck by a car in the number one lane and propelled into the HOV lane where he was struck by a second vehicle.
Only the second driver stopped and called 911.
The California Highway Patrol blocked off all lanes. They're trying to determine why the first driver didn't stop.
The victim, identified only as male, was killed in the incident.
Check back for updates on this developing story.