CUSTER COUNTY, Colo. — Six fire agencies are battling a grass fire near Westcliffe Sunday afternoon. They were first called around 2 p.m. to Highway 69 near mile marker 62.

The state helicopter is helping by dropping water on the flames. According to Custer County Emergency Management, as of 8 p.m., more than 320 acres have burned and the fire is 100% contained.

No structures were threatened and no evacuations were issued.

Northbound lanes of Highway 69 were closed between County Road 243 and Copper Gulch Road for a few minutes as crews worked on the fire.

This is a developing story stay with FOX21 News for the latest.