Two constables were hurt in a crude bomb explosion during a clash between Jatiyatabadi Chhatra Dal (JCD) activists and police in Chapainawabganj on Sunday. The incident occurred around 4 pm at Oxford Academy premises at Nachol upazila as police tried to obstruct a JCD rally on the pretext that it had not taken permission, said Mintu Rahman, Officer-in-Charge of Nachol police station. JCD activists locked in an altercation with police and a chase and counter chase started between them after a while, said police. Read more: JCD leader’s death in Brahmanbaria: 150 BNP men sued At one point the JCD activists exploded a crude bomb leaving constable Palash and Alamgir injured, said OC Mintu. The constables have taken treatment from upazila health complex and police recovered five unexploded crude bombs from the spot, he said. Meanwhile, Hasan Imtiaz, former president of district JCD said a meeting of a faction of the party activists was going on but they left the venue after police intervened. “Someone from the opposition might have been behind it,” he said.