Editor’s note: On July 5, police released more details about this incident and said the officers may not have been the intended target. Read more here .

Police blocked off a stretch of Pacific Coast Highway early this morning after officers investigating a hit and run collision were fired upon by unknown suspects, police said.

Officers were sent to the 1600 block of E. Pacific Coast Highway at about 1 a.m. this morning for the collision investigation. They heard several gunshots in the area and were fired upon, taking cover in a nearby parking lot, authorities said.

“No officers were struck by gunfire,” said Lt. Byron Blair of the Long Beach Police Department.

SWAT was called to the scene to help search for suspects, along with homicide detectives. They found bullet casings at the scene and evidence of bullet impact on two nearby vehicles, police spokeswoman Jennifer De Prez said.

The motive for the shooting is unknown and there is no suspect information available, police said.

PCH between Orange and Cherry avenues was shut down until about 11 a.m.

Police ask that anyone with information on this incident to contact the Long Beach Police Department Homicide Detail at 562-570-7244.