On 24 November 2012, the day of Ashura, an explosion took place in Dera Ismail Khan, Pakistan on the crowd of Shiite who were mourning according to their ideology.

[1] On the day of Ashoura, followers of Shia Islam mourn and a large crowd of people gather as a procession.

Interior Minister of Pakistan Rehman Malik has sought a report from the IGP and directed for an immediate inquiry into the incident.

[3] A mourning day was observed in Dera Ismail Khan on 26 November in condemnation of the attack.

"We carried the attack against Shi'ites", Ehsanullah Ehsan, the spokesman of TTP told AFP from an undisclosed location.