Fire crews are battling a fast-moving wildfire in the Antelope Valley, leading authorities to issue evacuation orders for residents near the border of Llano and PiƱon Hills.

According to the Los Angeles County Fire Department, the Summit Fire has reached 309 acres and is threatening structures.

Crews arrived at Jesus Canyon Road and E. Avenue Z in Llano around 1:12 p.m., responding to an 8-acre fire.

Angeles National Forest is assisting LACoFD as the blaze grew to 309 acres within an hour.

Evacuation orders issued for the following zones:

Evacuation warnings issued for the following zones:

LAC-E127-ALAC-E127-CLAC-E1340