Firefighters battling junkyard fire in Otay Mesa

CHULA VISTA (KUSI) — Firefighters are working to extinguish a blaze that has engulfed piles of scrap material in an auto-wrecking yard in Otay Mesa.

The fire broke out just after 5:00 p.m. at a auto-junkyard in the 900 block of Heritage Road in Otay Mesa, according to the San Diego Fire-Rescue Department.

No injuries have been reported.

The cause of the fire is not yet known.

This is a developing story, check back for more details.