PORTLAND, Maine (AP) — Police say a 22-year-old man is dead after he was shot during an altercation inside a Portland home.

The shooting in the Maine city was reported at about 1:45 a.m. Saturday in the home on Milton Street.

Portland police say Isahak Muse was found deceased when police and paramedics arrived. An autopsy is planned.

Investigators are working to determine the circumstances that led to the shooting. No arrests have been made.

Police say there is no threat to the public.