Crews Battle 20-Acre Fire Near Otay Mountain; Fireworks Suspected

Black and white image of smoke and light over a mountain at night.
Crews are at scene of a vegetation fire near Otay Mountain. (Photo courtesy of ALERTCalifornia)

Crews were battling a vegetation fire that has burned 20 acres near Otay Mountain with the potential to be an extended incident, officials said Wednesday night.

The fire was reported around 7:15 p.m. near the mountain north of the U.S.-Mexico border, according to Cal Fire San Diego.

A caller from Chula Vista informed the San Diego County Sheriff’s Department of seeing a group of vehicles atop the mountain setting off fireworks, which may have started the fire, FOX 5 reported.

The sheriff’s department was working to locate the possible suspects.

City News Service contributed to this article.