A wildfire northwest of Manitou Springs was reported Sunday afternoon, according to the United States Forest Service.

USFS officials said the fire is burning 4.5 miles northwest of Manitou on the Manitou Water Shed property within a fuels treatment unit, and was caused by lightning. 

The blaze was reported around 12:40 p.m. and is officially named the Manitou fire.

The wildfire is estimated to be one acre in size at this time, according to USFS officials.

The USFS is responding to the blaze, as well as Manitou Springs, Colorado Springs Utilities and Job Corp. There is also one helicopter responding, USFS reported.

There are no pre-evacuation orders at this time. Smoke is visible from some parts of Colorado Springs.

This is a developing story. Updates will be made as further details become available.