UPDATE: Crews contain brush fire at Camp San Luis

Fire crews have contained a roughly 250-acre fire that started this morning on an artillery range on Camp San Luis.

No structures were threatened and no injuries were reported, officials said. Crews are investigating the cause, but officials said it was likely sparked by gun fire on the range.

The fire was first reported about 10:30 a.m. and grew to 250 acres. It was contained about 4:30 p.m.