Sheriff’s deputies are investigating the deaths of a man and woman found Sunday night in an Apple Valley home.

Deputies and emergency personnel responded to a call about a shooting at 10:41 p.m. at a residence in the 19600 block of Tonkawan Road, according to a San Bernardino County sheriff’s news release. The man and woman were found inside the home.

Mary Donley, 49, of Apple Valley was transported to a local hospital where she was later pronounced dead. The suspect is Brian O’Connell, 48, of Apple Valley, who was pronounced dead at the scene, the news release stated.

The motive for the shooting is under investigation, though sheriff’s officials described it as a murder-suicide in the news release. Investigators are not looking for any outstanding suspects.

Sheriff’s officials said no additional information was available for release.

Anyone with information regarding the investigation can call the sheriff’s Homicide Detail, Detective Mike Cleary, at 909-387-3589. To remain anonymous, call the WeTip Hotline at 800-78-CRIME (27463) or visit the website at www.wetip.com.