Provincail security chief Hamidullah Hamidi confirming the report said the incident reportedly took place after a suicide bomber detonated his explosives.
Mr. Hamidi further added the suicide bombing was carried out by two suspected bombers riding a motorcycle.
In the meantime Guzara district chief Nisar Ahmad Popal said the two suicide bombers were looking to assassinate him however their explosives went off before they manage to enter the district government building.
He said Afghan civilians and security forces did not suffer any casualties following the incident.
No group including the Taliban militants has so far claimed responsibility behind the attack.