A 47-year-old man was shot dead in Upland on Sunday morning, according to the Upland Police Department.
The man, who was not named by police, was found irresponsible and was lying in the street near the intersection of 8th Street and Third Avenue, police said.
He was taken to a nearby hospital where he succumbed to his injuries.
Police say they have arrested a suspect, whom they did not name, shortly afterwards in a nearby residential area.
The investigation is ongoing, and anyone with information is asked to call the sergeant. Cabinet 909-946-7624 extension to 3220.