The Macomb County Sheriff's Department is investigating a bank robbery in Washington Township.

Investigators said a man entered the Best Bank at 64660 Van Dyke around 2:50 p.m. and handed the teller a handwritten note demanding cash. The man fled the bank with an undetermined amount of cash.

The Best Bank was previously robbed on May 29, 2012, and investigators said in a news release that they believe the robberies may be related.

The thief is described as an older white man with grey hair. Witnesses said he was wearing glasses.

Anyone with information is asked to call the Macomb County Sheriff's Department at 586-291-1673.