At least five civilians have been killed in the attack.
The prime suspect and his brother allegedly strangled three relatives and burnt their bodies.
CAA officials said the flight was cleared for take-off after a detailed search of aircraft, passengers and luggage.
Riazullah and Amanullah confess to providing weapons, vehicles and logistical support for the attack that killed 25: CTD
One person was also injured when an IED detonated at the Bagh-e-Naran Chowk in Peshawar’s Hayatabad area.
The FC checkpost in Peshawar was built in a local house whose roof collapsed due to heavy rain.
The first-year-student used voice changer and pretended to be a member of banned militant outfit.
The FIR was filed against TTP's Geedar faction and its commander Umar Naray for the attack on Imamia mosque.
Army operation leaves all seven attackers killed; COAS vows terrorists will pay.