 Qari Saifullah Mehsud was later shot dead by an unknown gunman in Khost province of Afghanistan on 29 December 2019.Mehsud was a key TTP commander and was among the terrorists most wanted by Pakistan for his involvement in several terror attacks in the country.He was previously arrested by U.S. forces in Afghanistan in 2016 but was later released after he spent 14 weeks in jail in Afghanistan.