A single alarm fire on Paxton Street in Paterson was extinguished quickly yesterday. NO one was injured in the single alarm blaze. Co's responding were Eng. 6, 3, 1 and 5 Ladders 1 and 3 Batt. 1 and Deputy 1. Division of Combustibles is investingating the blaze. Also a minor fire was extinguished in the YMCA on Grand Street. Combustibles is investingating that fire also.