CHULA VISTA, Calif. (FOX 5/KUSI) -- Two teenagers were killed in a shooting at a Halloween party late Friday night in Chula Vista, authorities said. • The Nexstar Media video above explains what to do if you witness a crime

According to the Chula Vista Police Department, officers responded around 11:17 p.m. to reports of gunfire in the 00 block of East Prospect Street. When officers arrived, they found two victims suffering from gunshot wounds.

Officers provided life-saving measures before both teens were taken to UCSD Medical Center, where they were later pronounced dead despite resuscitation efforts.

Investigators say the victims, ages 15 and 17, had been attending a Halloween party when an argument broke out, leading to the shooting. Their names have not been released at this time.

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