This is a developing story and will be updated.

The Hawk Fire broke out in Acton on Thursday afternoon, quickly spreading in dry brush.

The fire, which started at about 3 p.m., grew to 80 acres within about an hour and is threatening structures, according to the L.A. County Fire Department.

Aircraft and ground crews were ordered to respond.

The basics

Acreage: 80 acres as of Thursday afternoon

Containment : 0%

Structures destroyed: None

Deaths: None

Injuries: None

Personnel working on fire: Unclear

Evacuation map and orders

Evacuation orders have not yet been issued for the fire.

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Fire resources and tips

Check out LAist's wildfire recovery guide

If you have to evacuate:

Why fire officials don't want you to stay and defend your home

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