Police at Murari police station in Birbhum recovered a large number of explosives after receiving information from undercover sources. Police seized 172 sacks of ammonium nitrate from a godown in Ambhua village of Murarai police station on Sunday morning.According to police source, the village under Murarai police station is a village on the border of Jharkhand. The explosives were used in a stone quarry in the area found after a preliminary investigation. The huge quantity of explosives were illegally kept in the godown. Murarai police have arrested a man named Mukesh Singh on charges of possessing explosives. Just a couple of days ago, the police of Murari police station recovered about 50 stolen motorbikes.