Billings Firefighters responded to a structure fire at a downtown auto shop at approximately 1:30 a.m. Wednesday at 1620 2nd Avenue North. They worked to extinguish the fire at Cor Automotive, as the Billings Police Department shut down 1st Avenue North and 2nd Avenue North between North 15th Street and North 18th Street while crews responded to the blaze. Motorists were asked to find an alternate route. Q2 reports that at least two other businesses, including the Habitat for Humanity Restore Building and The Grindhouse, a martial arts academy, are also located in the building occupied by Cor Automotive. As of this report, fire officials haven’t stated if the flames reached other occupants in the building, or if it was contained to Cor Automotive. Crews were still putting out hot spots as of 3 a.m. Get more online at; KTVQ.com.