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Boy, mother hurt in big rig crash

SAN DIEGO — A boy and his mother were injured in a crash involving a big rig Monday night.

The crash happened around 9:30 p.m. on southbound Interstate 805 near Adams Avenue. A car slammed into a big rig which had stopped to help another semi truck that had stalled in the middle lanes.

The mother suffered serious injuries and was transported to Sharp Memorial Hospital, said California Highway Patrol Officer Tommy Doerr.

The boy is expected to be OK.

Four lanes were shut down as crews worked to clear the scene.

CHP officers were investigating the circumstances leading up to the crash.