An investigation is underway after a vacant home in Cherry Hills Village somehow caught fire early Monday morning. South Metro Fire Rescue responded to the structure fire near Hampden and S. Downing Street around 4 a.m. Monday. Firefighters were able to get the fire under control around 5 a.m. Officers with the Cherry Hills Village Police Department said they do not believe anybody was in the house at the time, and that it was a vacant home. South Metro Fire said no utilities were turned on. No injuries were reported. The cause of the fire is under investigation.