Wyoming Capitol evacuated after suspected explosive found on Great Seal

The Wyoming Capitol in Cheyenne was evacuated Tuesday after a passerby discovered a suspected explosive device on the building grounds and brought it inside, prompting a daylong security response that included drones, bomb-sniffing dogs and street closures. Governor Mark Gordon and several state officials were among those evacuated from a nearby committee meeting, and investigators later said they were searching security video for two men they believe left the device.

The object was found on the Great Seal of the State of Wyoming, a 10-foot inlaid-stone emblem located between the Capitol’s front steps and the street, according to statements from the Wyoming Highway Patrol and the state Division of Criminal Investigation. The evacuation began around 9:30 to 9:45 a.m., and workers in two state office buildings connected to the Capitol by an underground passage sheltered in place before being allowed to leave through designated exits later in the afternoon. Authorities closed nearby streets for part of the day and announced the Capitol would remain closed Tuesday.

Investigators described the device as a homemade construct, not a factory-produced military round. Division of Criminal...