A man was arrested in his roommate’s death that was initially thought to be a drug overdose, Colorado police say. After getting a 911 call about a potential drug overdose, Denver police said officers responded to a residence at about 10:30 p.m. Friday, Sept. 27, according to a news release from the department shared on X, formerly known as Twitter.

After the results of an initial investigation and autopsy, the Denver Police Department on Sunday launched a homicide investigation into the roommate of a man who died on Friday.

A man was arrested on a murder charge after his roommate died at a north Denver motel Friday night, the Denver Police Department said. Police said around 10:30 p.m. Friday, someone called 911 to report an emergency medical situation and possible drug overdose at a motel on Vasquez Boulevard near the intersection of 52nd Avenue.