OAKLAND, Calif. – A big rig overturned on an Oakland freeway Monday afternoon, snarling traffic.

Reports of injuries

What we know:

The California Highway Patrol issued a severe traffic alert for the crash, which occurred on southbound Interstate 880 near 29th Street at about 1:21 p.m. According to CHP, there were reports of injuries.

Lanes blocked

Why you should care:

The right lanes of the highway were blocked, and motorists were advised to expect delays and use alternate routes.

Oakland