An argument between roommates led to a fatal shooting at a Chula Vista senior mobile home park, police said.

Officers were called to the park at 677 G Street just before 3 a.m. for what was described as a fight between roommates.

CVPD Lt. Dan Peak said the caller reported that he had just shot his roommate.

When officers arrived, the shooter, identified as 81-year-old Paul Young, came outside and surrendered without incident.

Officers then went inside the residence and found Maya Pawlik, 55, dead from an apparent gunshot wound, accord to Lt. Peak. They also found a firearm inside believed to have been sued in the shooting.

Peak said Young was arrested and has been charged with murder. There were no other victims.

The Chula Vista Police Department is still investigating the shooting and asked anyone with information to call the department's tip line at (619) 422-TIPS.

The mobile home was located in Terry's Mobile Home Park. Officers expected to be investigating the incident for several hours this morning.

No other information was available.

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