California Highway Patrol officers were seeking the driver of a big-rig who apparently struck and killed a motorcyclist on the 60 Freeway in El Monte and did not stop, authorities said.
The crash occurred about 6:35 p.m. in the eastbound lanes near Peck Road. Lanes remained closed, causing heavy traffic. Lanes were reopened about 10 p.m.
It was not clear whether the driver of the big-rig knew he or she was involved in a collision.
Additional details were not immediately available.
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