The FBI is investigating after officers responding to a panic alarm discovered a bank had been robbed by a man who implied he had a gun in Waukegan.
The Waukegan Police Department responded around 4:45 p.m. Wednesday to Fifth Third Bank, 702 North Green Bay Road in Waukegan.
A police report said officers received a report of a hold-up alarm that had been activated.
Employees told responding officers that the bank had been robbed by a man who stole cash, the report said.
The FBI Chicago Field Office said the suspect was described as a white male, medium build, wearing a black long-sleeved shirt, dark pants and a white hat.
The suspect displayed a note demanding money and the teller complied.
The FBI also said the suspect implied that he had a handgun. The suspect fled on foot and remains at large.
No injuries were reported in the incident. The FBI released a surveillance photo of the wanted suspect on Thursday.
A regional alert was sent out to area law enforcement agencies to be on the lookout for the man.
The public can report tips anonymously by calling 312-421-6700 or visiting tips.fbi.gov.