SARTELL -- Sartell Police are investigating a robbery at a gas station last night.

Police say a man walked into the BP gas station at 230 Pinecone Road just after 9:00 p.m. and demanded money.

The man was wearing a black coat, blue jeans and a stocking cap. He was described as being in his late 20's to early 30's and about 5'9' tall. Police say he told the clerk he had a weapon and demanded money.

Police are asking anyone who may have seen anything suspicious to give them a call.