Authorities evacuated the Wyoming Capitol in Cheyenne on Tuesday following a report of a potential explosive device.

“We are addressing a report of a suspected improvised explosive device at the Capitol Building. As a precautionary measure, the building was evacuated promptly and safely,” the Wyoming Highway Patrol announced in a Facebook post on Tuesday.

The Wyoming Highway Patrol further explained that they were part of a “multi-agency, precautionary response” involving the Laramie County Sheriff’s Office, the Cheyenne Police Department, and various federal agencies.