Authorities are searching for two gunmen who robbed a bank in Coon Rapids on Friday evening, locking two employees in the bank's vault before they fled with money.

According to the FBI, two men entered Guaranty Bank, 3340 124th Av. NW., about 6:45 p.m., displayed weapons and demanded money. After locking the two bank employees in the vault, they fled on foot with an undisclosed amount of cash.

The FBI said the robbers are both white, one 5-foot-6, the other 6 feet with green eyes. A reward is offered for information leading to their arrest.

Anyone with information about the robbery is asked to call the FBI at 763-569-8000 or the Anoka County Sheriff's Office at 763-427-1212.