By CBSLA Staff

ARCADIA (CBSLA) — A man and woman found shot to death in an Arcadia home Sunday is being investigated as a possible murder-suicide, authorities said.

The shootings unfolded at around 11:05 a.m. in the 600 block of Huntington Drive. Los Angeles County Sheriff’s deputies responded to find a man and woman dead in the home from gunshot wounds to the upper torso.

READ MORE: Grieving Family Looking For Killer Of 22-Year-Old Alejandro Legaria Rangel In Huntington Park

The two were identified by the L.A. County Coroner’s Office Monday as 58-year-old Paul Thornton and 54-year-old Maria Lockwood.

READ MORE: Man Shot And Stabbed Outside Crowded Glendale Pastry Shop, Suspect On The Loose

There was no sign of a break-in at the home and no information regarding an outstanding suspect, the sheriff’s department said. The exact relationship of the two victims was unclear.

MORE NEWS: Man Struck Multiple Times In Daylight Shooting In Riverside

Anyone with information was asked to contact the LASD Homicide Bureau at 323-890-5500.