On 31st March 2009, Hizb ut-Tahrir Wilayah Pakistan convened a lecture in the city of Lahore to examine US President Obama's strategy for the Muslim world. A member of Hizb ut-Tahrir, Saad Jigranvi, delivered the lecture that exposed Obama's policy of killing men, women and children in Pakistan. He called on the audience to work with Hizb ut-Tahrir to re-establish the Islamic Khilafah "Caliphate".