According to the local government officials, Afghan intelligence forces killed a suicide bomber in Khair Kot district before the bomber manage to ram his vehicle in an NDS compound.
Provincial governor spokesman, Mukhlis Afghan said the suicide bomber detonated his explosives after Afghan intelligence forces opened fire on him.
Mr. Afghan further added that the two intelligence service members were slightly injured following the blast and have been taken to hospital for treatment purposes.
He said the civilians did not suffer any casualties following the blast and only the suicide bomber was killed and his vehicle was completely destroyed.
No group including the Taliban militants has so far commented regarding the incident.