Pennsylvania State Police have arrested a suspect in the robbery of the Circle K in Waterford Borough after he turned himself in Saturday.

Kevin C. Andrzejewski, 47, of Erie, voluntarily showed up at a State Police barracks and confessed to the robbery and theft of money around 12:30 p.m. Saturday. He was taken to the Erie County Prison where he will be arraigned Sunday morning.

The robbery was reported at 11:53 p.m. Friday.

Andrzejewski told the clerk he had a gun and demanded all the cash from the register, according to State Police. He was given cash then took off from the store.

Investigators said they developed leads that pointed to Andrzejewski as a strong person of interest in the robbery.