Bangladesh Rifles (BDR) yesterday seized a huge quantity of chemicals, suspected to be high-powered explosives, loaded in three trucks, from a village in Joypurhat.( BSS) Drivers of the trucks were arrested during the unloading of the explosives in front of a godown, sources in BDR and police said last night.They said acting on a tip-off, a special BDR team conducted a raid on the godown of importer Sabu in Guyabarighat under sadar upazila during the unloading of the material. Being informed by BDR officials, a team of explosive experts from Bogra Cantonment rushed to Joypurhat and conducted preliminary tests of the seized chemicals. It sent the samples to Dhaka for further examination.