Pittsburg police responded to an armed robbery call just before 9:30 on Friday night to Pete’s Convenience store on north Broadway. Detectives worked some leads and identified 46 year old William Haddan of Pittsburg as a suspect. He was arrested. A search warrant was served at his address and evidence found tied Haddan to several other robberies in Pittsburg and other surrounding towns. Haddan was taken to the Crawford County Jail and is being held without bond.