SACRAMENTO (CBS13) – An early Sunday morning beating left a man dead in midtown Sacramento, police say.

Just before 1 a.m., Sacramento police responded of 18th and P Streets where witnesses were administering CPR to a man in his 20s.

Police believe a physical altercation occurred between the victim and three adult males, during which the victim sustained traumatic head injuries.

The victim was transported to a nearby hospital where he died.

Homicide detectives are still investigating what prompted the deadly fight.

Detectives are reviewing area surveillance video in hopes to identify the subjects involved.

Investigators are asking witnesses to notify police with any information regarding this incident at (916) 264-5471 or Crime Alert at (916) 443-HELP (4357) or text in a tip to 274637 (CRIMES). Enter SACTIP followed by the tip information.

Callers can remain anonymous and may be eligible for a reward of up to $1,000.