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SAN DIEGO — Crews fought a large commercial fire at an auto-wrecking yard in Otay Mesa early Thursday evening.

SkyFOX showed flames leaping from a pile of wrecked vehicles in the yard shortly after 5:30 p.m. The sign outside the business on Datsun Street, near Brown Field Municipal Airport, read “Tito’s Metal.”

Chula Vista firefighters told FOX 5 the fire started in a pile of wrecked vehicles. Seven engines were called to the scene to fight back the flames. Thick black smoke could be seen for miles around the fire at its peak.

By 6:30 p.m., firefighters had made significant progress on the blaze. No one was injured in the fire. “Wrecked cars are the casualties,” San Diego Fire quipped on Twitter.

Engines remained on scene into the evening.

The cause of the fire is under investigation.