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The FBI is offering $1,000 for information leading to the arrest of a man they say robbed a bank on the North Side on Thursday afternoon.

The robbery happened around 2:40 p.m. at the Byline Bank located at 3401 N. Western Ave., the FBI said.

The robber is described as a white man with a thin build who is approximately 50 to 60 years old.

Anyone with information can call the FBI Chicago office at 312-421-6700.