PORTLAND — An autopsy determined that the man killed Monday night at a Forest Avenue apartment died of a stab wound to the chest.

Police identified the victim as Carlos Ramos, 47, who lived in apartment 4 at 991 Forest Ave.

The state medical examiner performed the autopsy this morning. Police would not release the manner of death, which could range from self-inflicted to accidental to intentional homicide.

Police would not identify a suspect in the case but said only that nobody was in custody earlier today.

Police did interview a woman who has been staying at the apartment with Ramos. One neighbor said they overheard the woman telling police that Ramos had startled her and she had stabbed him accidentally.

Police would not confirm those reports.

12:07 p.m.

PORTLAND — Portland police are investigating a fatal stabbing of a man on Forest Avenue Monday night. 

Police and rescue workers were called to 991 Forest Ave. at 7:15 p.m. where they found the man with stab wounds, according to a Portland police press release. He was taken to Maine Medical Center where he died a short time later. 

An autopsy is scheduled for today at the State Medical Examiner’s Office. 

Police are not releasing the man’s identity until family members are notified. 

Residents in the cluster of apartments at 991 Forest Avenue said the victim of the stabbing lived with a woman who was interviewed by police after the incident. The two were said to have loud fights at times and often were seen drinking alcohol.

Police said this morning nobody was in custody.

Police ask that anyone with information about the case call 874-8533 or submit an anonymous tip online.