Costa Mesa police responding to a call that an armed man was inside a home arrived in time to hear a single gunshot and found a woman who later died, police officials said.
A suspect was taken into custody, Costa Mesa police Lt. Mark Manley said.
The situation was reported at 6:24 p.m. Sunday in the 2900 block of Redwood Avenue.
Officers immediately entered the residence and found a woman who had suffered a gunshot wound to her chest, Manley said. She was taken to Western Medical Center, where she was pronounced dead.
A man believed to be the suspect was located inside the house and taken into custody without incident, Manley said.
Preliminary information indicates the man and woman had a domestic relationship. Their names were being withheld pending further investigation and notification of the victim’s family, he said.