RICHMOND -- A Point Richmond man allegedly stabbed to death by his girlfriend appears to be a victim of a domestic violence killing fueled by alcohol, police said Wednesday.

Elaine Ashes, 37, is being held at County Jail in Martinez on $1 million bail for allegedly killing 36-year-old Patrick McHenry, authorities said.

Ashes called 911 at about 4:30 a.m. Tuesday and told dispatchers McHenry was unresponsive and needed medical assistance inside her home in the 500 block of Tewksbury Avenue, police said. Firefighters and paramedics were unable to revive McHenry, and pronounced him dead.

Rescuers then noticed he had a stab wound in his stomach and called police, according to Richmond police spokeswoman Sgt. Nicole Abetkov.

After obtaining a search warrant, police spent hours combing the home for clues, while detectives interviewed Ashes at police headquarters. Ashes and McHenry lived together and had been dating for at least a year, Abetkov said. Police believe Ashes stabbed McHenry during a domestic violence incident that involved alcohol.

Attempts to reach the families of Ashes and McHenry were unsuccessful. Ashes has worked at dog training, walking and grooming businesses since 1998, according to an online biography. Most recently, she owned a dog walking and training company serving southern Marin County.

The homicide is the eighth so far this year for Richmond and the first in Point Richmond. The quiet coastal neighborhood is within city limits but separated from the rest of Richmond by Interstate 580 and the Chevron refinery.

David DeBolt covers breaking news. Contact him in Richmond at 510-262-2728. Follow him at Twitter.com/daviddebolt.