At least six people have been killed and dozens wounded in the attack, which has reportedly been claimed by ISIL.
At least six people, including two police officers, have been killed in two bomb blasts in Bangladesh.
It happened near a militant hideout that was being raided by commandos.
More than 40 people have been wounded, a dozen army and police personnel among them.
ISIL has reportedly claimed responsibility for the bombing, according to a monitoring service quoting the group’s Amaq news agency.