Mandatory evacuations have been ordered for an area bordered by Carter Lake Reservoir to the west, Homer and Windemere roads to the north, Dry Creek Reservoir to the south and North County Road 23 to the east, according to emergency responders.

A fast moving grass fire prompted mandatory evacuations in Berthoud today. It's in northern Colorado, about an hour north of Denver. Thankfully, firefighters were able to quickly contain it.

The fire, which was fully contained about 5 p.m., burned west of Berthoud in the 5300 block of County Road 8E, near Dry Creek reservoir, the Larimer County Sheriff’s Office said. Fire investigators are still looking into what caused the fire and where it originated,