Monroe police arrested a Trumbull man in connection with the robbery at People’s United Bank, 435 Main Street, on Sept. 14. Joseph Grosso, 33, was arrested Wednesday and charged with first-degree robbery, second-degree larceny and criminal possession of a pistol/revolver. Grosso was held on a $150,000 bond. After processing, police said, he was transported to Bridgeport Superior Court for arraignment. Police said Grosso displayed a handgun during the robbery and stole more than $11,000.