 This new conflict caused the government to sign a truce with the Taliban on 5September 2006 but sectarian violence continued.In 2007 Sharif made a daring attempt to return from exile but was refrained from landing at Islamabad Airport.This did not deter another former prime minister, Benazir Bhutto, from returning on 18 October 2007 after an eight-year exile in Dubai and London to prepare for the 2008 parliamentary elections.