FEROZEWALA - Sadr Muri-dke Police have sealed a factory, preparing fireworks in village Qasba Baghian Manwan, and recovered explosive material besides the arrest of three outlaws. Police, in a raid, have sealed a factory, preparing fireworks, and arrested three persons including Zaffar, manager of the factory. The team also has recovered heavy quantity of chemicals, and other explosive material. Police have started investigation after registration of a case.