A grass fire near U.S. 50 in Pueblo County that burned 2,171 acres is fully contained. Lightning likely sparked the Test Center Fire, which was reported at 2:30 p.m. Sunday, the Sheriff's Office said in a news release. Roads remained open, and no structures were threatened. The large smoke plume from the blaze was visible from as far north as Colorado Springs, prompting dozens of 911 calls, the Sheriff's Office said.