The officials further added the incident took place late Saturday evening due to militants missile attack.
Provincial security chief Gen. Mohammad Zaman confirming the report said Ahmadabad district chief Ehsan-ul-haq Akbarzai was injured after militants attacked the district compound.
Gen. Zaman further added mortar rounds fired by militants landed inside the district compound yard which injured Mr. Akbarzai.
In the meantime local residents are saying that three sounds of heavy explosions were heard from the district compound yard.
Taliban militants group claimed responsibility behind the incident.