were immediately shifted to Mayo Hospital and Sir Ganga Ram Hospital by Rescue 1122 ambulances. A state of emergency was declared for all hospitals in Lahore. Some of the injured were in critical condition. On 15 February, the Pakistani Foreign Office summoned Afghan Deputy Head of Mission, Syed Abdul Nasir Yousafi, and presented a dossier outlining evidence of terrorist sanctuaries, financiers and handlers from Afghanistan who were involved in the attack. Authorities formed a Joint Investigation Team (JIT) to probe the attack, consisting of the Crime Investigation Department, Inter-Services Intelligence, Intelligence Bureau and police. The police also conducted a series of raids in Lahore to nab suspects and took into custody 43 people, most of them Afghan nationals. On 17 February, Chief Minister Punjab Shehbaz Sharif announced the arrest of Anwar-ul-Haq - the alleged facilitator of the attacker, who belonged to FATA's Bajaur Agency. He also claimed that the suspects involved in planning and carrying out of the attack belonged to Afghanistan. On 18 February, Haq's two brothers Khalilullah and Hameedullah were taken into custody during a raid on his house in Mamund tehsil of Bajaur Agency. Reactions Domestic Prime Minister Nawaz Sharif condemned the blast, expressing in a statement: "We have fought this fight against the terrorists among us, and will continue to fight it until we liberate our people of this cancer, and avenge those who have laid down their lives for us." A statement released by the military's Inter-Services Public Relations stated that the army chief, General Qamar Javed Bajwa, had called upon local military commanders and intelligence agencies to provide all possible assistance to the civilian authorities, and apprehend the perpetrators. Punjab's chief minister Shehbaz Sharif announced a day of mourning following the incident. Local residents denounced the perpetrators and implored the government to do more to ensure the safety of citizens. Chairman of Pakistan Tehreek-e-Insaf, Imran Khan asked for Rangers operation in Punjab. Social media users noted the timing of the attack could derail the final of the Pakistan Super League (PSL) from being held in Lahore, which was scheduled subject to security clearances for foreign players. PSL's chairman Najam Sethi said that foreign players were wary of playing the final in Lahore, in light of security concerns. Many in Pakistan accused India of having a role behind the attack. The Pakistan Stock Exchange's (PSX) benchmark KSE 100 Index finished with a fall 0.40% or