Interior minister says perpetrators of mob lynching will be identified through camera footage and placed under arrest.
Head of military command in Salaheddin province says forces need airstrikes to proceed.
Official estimates claim six people have died, but aid workers fear fatalities could rise as the country recovers.
Interior Minister Chaudhry Nisar Ali Khan says decision taken after corrupt officials found releasing repatriated prisoners early.
Pakistan paid almost half the $5 million ransom for Abdul Khaliq Farahi, according to a ‘New York Times’ report.