Portland police say they responded to a shooting at 263 St. John St. just after 1 a.m. on March 2. 

The victim, Raoul Mapendo Tshiyuka, 30, of Portland, was transported to the Maine Medical Center where he later died, according to a news release from Portland police. An autopsy by the office of the chief medical examiner determined that he died from a gunshot wound and his death was ruled a homicide.

A vehicle belonging to a suspect was found in a driveway at 77 Wainwright Circle East in South Portland, police said. Portland’s Special Reaction Team and the Southern Maine Regional SWAT team searched the residence.

The two teams then searched 66 Wellesley Estates in Portland, according to police. During that search, the suspect contacted dispatchers and said he was at 224 Ocean Ave. in Portland, where he was taken into custody.

Abdirahman Mahmoud, 36, is charged with murder being held without bail at the Cumberland County Jail, police said.

Investigators ask anyone with information to call them at (207) 874-8575, or text “PPDME” and a message to 847411.