Poudre Fire Authority is currently working a major fire in a four story mixed-use building at Mason St. & Maple St. in downtown Fort Collins. The fire was reported just after 3:30 this morning.

Authorities are asking that you: "Please avoid the area of downtown Fort Collins bordered by Cherry St. on the north, LaPorte Ave. on the south, Mason St. on the east, and Howes St. on the west.