
The incident took place as the convoy passed through Matani village on the outskirts of Peshawar.
"Militants opened fire on the military vehicles, two soldiers died and one sustained injuries in the attack," a military official in Peshawar told AFP, requesting anonymity as he was not authorised to talk to the media.
A second security official in Peshawar confirmed the attack and told AFP that troops had cordoned off the area and launched a search operation.
There was no immediate claim of responsibility for the attack but Taliban militants are active in Matani and other areas around Peshawar.
Khyber straddles the NATO supply line into Afghanistan, used by US-led troops to evacuate military equipment ahead of their 2014 withdrawal.
In two separate attacks Thursday, unidentified gunmen opened fire on NATO supply trucks passing through Khyber and Peshawar, killing two drivers, local officials said.
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