An adult man died early Saturday after a collision involving a vehicle and a pedestrian in the 400 block of Bannon Street in Sacramento, the Sacramento Police Department said, according to Public Safety News (PSN).

Source: Public Safety News (PSN), reporting Sacramento Police Department

Officers responded just after 4:45 a.m. on October 24 and found the man with life-threatening injuries. Despite lifesaving measures, he was pronounced dead at the scene, police said. KCRA 3 separately reported that a man was killed in a hit-and-run near Sacramento's Railyards at around 4:45 a.m. and that police said the driver fled the scene.

Source: KCRA 3

The other involved driver was not located, and police said they had no suspect information to release, PSN reported. Detectives from the department's Major Collision Investigation Unit and crime scene investigators took over the investigation, and police said they would process the scene, canvass the area and interview witnesses.

The Sacramento County Coroner's Office will release the man's identity after his next of kin have been notified, police said. The circumstances of the collision remain under investigation.

Anyone with information is asked to contact Sacramento police dispatch at (916) 808-5471 or Sacramento Valley Crime Stoppers at (916) 443-HELP (4357), police said. Anonymous tips can also be submitted through the P3 Tips smartphone app, and callers may be eligible for a reward of up to $1,000, according to the police information reported by PSN.