GARDEN GROVE, Calif.—A homeless man in his 40s was struck and killed by a vehicle June 25 morning in Garden Grove, authorities said.

The woman behind the wheel of the truck that struck the pedestrian suffered head and leg injuries when the vehicle struck a tree. She was the lone occupant inside the vehicle, said Garden Grove police Sgt. Lino Santana.

Officers dispatched about 1:10 a.m. to Chapman and Nelson Avenues reported that the woman had been trapped inside her truck and was eventually taken to the south sidewalk on Chapman Avenue, east of Nelson Avenue, Santana said.

“As officers continued to arrive on scene, they observed a deceased male approximately 75 yards east from the traffic collision, on the southeast corner of Chapman Avenue and Diane Street,” he said.

The man was pronounced dead at the scene. The condition of the motorist was not known.

“Alcohol and/or drugs is believed to be a factor in the collision, however will be pending results from the Orange County Crime Lab,” Santana said. “The collision investigation is on-going.”