Suspect carried 4 kilogrammes of heroin, reports state.
Complainants claim that officials demanded bribes after imposing unnecessary objections.
The aircraft was taken away from PIA’s fleet to the engineering department where the National airline’s logo was removed
SriLankan Airlines crew will operate the flights while the exterior will be painted in traditional PIA colours and logo.
Aircraft was expected to fly onwards to Europe, but was sent to hangar for maintenance.
It is not clear why Saudi authorities deported the Pakistani citizens.