Imprisoned students granted bail and freed on Wednesday after tests reveal meat was not beef.
Former president could be allowed to leave Pakistan to seek medical treatment abroad.
Analysts say U.S. and Russian airstrikes have helped local forces gain ground against the militant group.
Republican frontrunner’s statement comes as delegate count falls short of winning nomination outright.
Washington says the militant group is struggling to retain manpower or recruit new followers.
Family of bride, who belonged to higher caste than groom, was allegedly ‘unhappy’ at their marriage.
U.S. general says extremists are primarily in one of 404 districts of Afghanistan.