A brush fire has spread Sunday afternoon over dozens of acres of land in Anne Arundel County, fire officials said.Officials said as many as 23 units were responding to the area of the 300 block of Burns Crossing Road in the Severn/Odenton area, where 50-80 acres are involved in fire.No injuries have been reported, and there are no evacuation orders as of 5 p.m.A WBAL-TV 11 News crew observed roadblocks in the area.This report will be updated.