Pakistan's former prime minister Nawaz Sharif shares a light moment with Maulana Fazal-ur-Rehman and former prime minister Zafarullah Jamali (L-R) before an All Parties Conference on the ongoing military offensive against Taliban militants in the Swat valley, in Islamabad May 18, 2009. Pakistan's army will finish its offensive against Taliban militants in the Swat valley and ensure peace, Prime Minister Yusuf Raza Gilani said on Monday as he rallied the support of political parties.