UNB, Habiganj :Members of Border Guard Bangladesh in a drive recovered 17 petrol bombs, 15 crude bombs and three firearms from Dharmapur village in Madhabpur upazila on Friday.Tipped off, a team of BGB conducted a raid and recovered the bombs and firearms from the rooftop of an abandoned building around 8 am, said BGB-55 Battalion Commanding Officer Lieutenant Colonel Sazzad Hossain. The bombs and firearms had been kept there to carry out sabotage, he added. However, none was arrested in this connection.