ROCHESTER, N.Y. -- A store clerk's worst fears came true early Sunday morning after police say his store was robbed at gunpoint on Rochester's west side.

Rochester police say it happened at the 7-Eleven store on Emerson Street around 2 a.m.

They tell us the store clerk was not injured but began to have chest pains after the robbery.

He was taken to Strong Memorial Hospital to be checked out.

Officers are now looking for the person responsible.