Defense minister says Islamabad’s sole pledge is to defend Gulf kingdom’s territorial integrity.
Tehran warns that the military action could spill over into neighboring countries.
Identified as 28-year-old German Andreas Lubitz, the co-pilot did not allow pilot to enter cockpit before crash.
Vikas Swarup will replace Syed Akbaruddin in April.
Islamabad confirms it has been contacted by Riyadh, but says no decision has been taken yet.
Secretary general says decision shows flexibility and commitment to peace and stability in Afghanistan.
Mohamed Morsi and 24 others, including prominent figures, will all go to court on May 23.
At least seven people killed, over 20 others injured in car bombing.
Two arms and ammunition dumps also destroyed in aerial strikes in Tirah Valley.
U.S. president says he has no personal animosity toward Israeli premier, adding that Washington still backs two-state solution.
Authorities have said none of the 150 people onboard survived the crash in the French Alps.