SAN DIEGO (CNS) - A 52-year-old man was fatally struck by a motorcyclist in Barrio Logan early Monday and alcohol may have been a factor, police said.

The man may have been intoxicated when he was struck in the 3700 block of Main Street about 12:40 a.m., according to San Diego police Officer Dino Delimitros.

Witnesses told investigators that the man was stumbling in westbound lanes, Delimitros said, adding that he died at the scene.

The motorcyclist, a 22-year-old man, was not hurt, Delimitros said.