Buena Park police motorcycle officer injured in crash on 91 Freeway in Anaheim

A Buena Park police officer suffered moderate injuries Monday morning when his motorcycle was struck by a car on the 91 Freeway in Anaheim, authorities said.

The collision was reported shortly after 8:30 a.m. on the westbound side of the freeway near Lemon Street, according to a California Highway Patrol incident log.

The policeman is expected to be OK. There were no other reports of injuries.

Traffic was snarled in both directions in the aftermath of the crash, which prompted the closure of four westbound lanes. The freeway was fully reopened by 10:30 a.m., the CHP said.

The cause of the crash was under investigation. No citations or arrest was immediately announced.

DEVELOPING: More details will be added to this report as they become available.