Hazrat Hussain Mashriqiwal, spokesman for Nangarhar police says a group of gunmen attacked a security checkpoint in Ghurband area of Chaparhar district last night leaving four attackers killed and four policemen injured.
Mashriqiwal said exchange of fire took place between police and assailants following a suicide attack at the checkpoint where a number of attackers also suffered injuries.
He added that the attackers were forced to retreat.
