San Francisco police are investigating the death of a woman as a homicide after officers responded to a “domestic” incident at an apartment building in North Beach and found her unresponsive, authorities said Friday.

Officers from Central Station found the woman unconscious and not breathing inside the building on Powell Street between Greenwich and Filbert streets at around 11 a.m. Friday, according to police. She died at the scene.

Police have taken a male suspect into custody in connection with the incident but have not released details about him.

The homicide is under investigation.

No further information was immediately available.

This story has been updated to include additional details.

mbarba@sfexaminer.com