As part of Hizb ut Tahrir's global campaign titled “The Penultimate Call…from Hizb ut Tahrir To the Muslim Ummah in general…and its People of Power in particular,” Hizb ut Tahrir Wilayah Pakistan organized a public reading of the call in Pakistan's largest city and financial centre, Karachi, home to 22 million people on the first Friday of Ramadhan, 19 June 2015.