Fire crews stop forward spread of fire burning in Marron Valley, near US-Mexico border

San Diego County firefighters are battling a vegetation fire on Sunday afternoon in Marron Valley near the U.S.-Mexico border burning quickly and threatening structures.

By about 5:47 p.m. Sunday, crews stopped the fire's (called the Border 65 Fire) forward rate of spread at 90 acres and had 5% containment. By Monday, it was at 61 acres and 50% contained.

At one point, a large plume of smoke could be seen on AlertCalifornia wildfire cameras rising from where the fire broke out.

This is a developing story and NBC 7's digital team will continue to update this page as more information arrives into the newsroom.

#Border65 [update] The forward rate of spread has been stopped. The fire is 90 acres and is 5% contained. pic.twitter.com/CYT9pDJ29L

— CAL FIRE/San Diego County Fire (@CALFIRESANDIEGO) July 29, 2024