Operation Radd-ul-Fasaad is a codename of a combined military operation by the Pakistani military in support of local law enforcement agencies to disarm and eliminate the terrorist sleeper cells across all states of Pakistan, started on 22 February 2017. The operation is aimed to eliminate the threat of terrorism, and consolidating the gains of Operation Zarb-e-Azb which was launched in 2014 as a joint military offensive. It is further aimed at ensuring the security of Pakistan's borders. The operation is ongoing active participation from Pakistan Army, Pakistan Air Force, Pakistan Navy, Pakistan Police and other Warfare and Civil Armed Forces managed under the Government of Pakistan. More than 375,000 operations have been carried out against terrorists so far. This operation has been mostly acknowledged after Operation Zarb e Azb.

Fazal Hayat, more commonly known by his pseudonym Mullah Fazlullah, was an Islamist jihadist militant who was the leader of the Tehreek-e-Nafaz-e-Shariat-e-Mohammadi, and was the leader of the Tehreek-e-Taliban Pakistan in Swat Valley. On 7 November 2013, he became the emir of the Tehrik-i-Taliban Pakistan, and presided over the descent of the group into factions who are often at war with each other. Fazlullah was designated by the Al-Qaida and Taliban Sanctions Committee of the Security Council in 2015, and was added to the U.S. State Department's Rewards for Justice wanted list on 7 March 2018. Fazlullah was killed in a U.S. drone strike in Kunar, Afghanistan on 14 June 2018.