YORK, Neb. -- Police are looking into an attempted bank robbery in southeast Nebraska. 

The York Police Department said it happened at the Cornerstone Bank on Lincoln Avenue on Thursday. 

The suspect entered the building around 5 p.m. wearing gray sweatpants, a black long-sleeve shirt, and a face mask. 

The suspect appears to be a white male with a tall, slender build. 

Police said he left the property with an undisclosed amount of money. 

Authorities are asking for the public's help in identifying the suspect in the picture. 

Anyone with information may be eligible for a cash reward.