The Ministry of Defense (MoD) said the airstrike was carried out by the coalition forces in Gomal district targeting the militants in Dadul village on Friday.
The Afghan Special Operations Forces Operational Coordination Command said two motorcycles belonging to the militants were also destroyed in the air raid.
The anti-government armed militant groups have not commented regarding the report so far.
Paktika is among the relatively volatile provinces in eastern Afghanistan where anti-government armed militant groups, including the Taliban militants and Al-Qaeda linked Haqqani network are actively operating.
At least six people were killed and eleven others were injured after the explosive device was detonated inside the bakery shop in Yahya Khel district earlier this month.
The National Directorate of Security (NDS) said the two suspects were arrested during a special military operation in connection to the incident who have confessed that they placed an explosive device inside the bakery shop afer receiving instructions from the Taliban group.