FORT COLLINS, Colo. (CBS4)- The Fort Collins Police Department was forced to shut down for several hours Wednesday afternoon when a woman walked inside and claimed to have explosives.

The woman walked in carrying a microwave, claiming her ex-boyfriend had planted a bomb inside. Police called the bomb squad.

Investigators X-rayed the microwave and found no explosives inside.

The police department reopened a few hours later and resumed normal operations.

The woman carrying the microwave has not been charged.