The officials further the strike carried out early on Wednesday in Achin district of the province targeting loyalists of the Daesh terror group in Momand Dara area.
The Ministry of Defense (MoD) said a commander of the terror group was also among those killed.
Provincial governor’s spokesman, Ataullah Khogyani, earlier said 20 fighters of the Daesh terrorist group were killed and dozens of others were wounded in the raid.
He said several weapons, ammunition and explosives belonging to the terror group were also destroyed in the airstrike.
The terror groups have not commented regarding the report so far.