Pakistani President Asif Ali Zardari (R, front) administers the oath to Pakistan's interim Prime Minister Mir Hazar Khan Khoso (L, front) during the sworn-in ceremony in Islamabad, capital of Pakistan, March 25, 2013. Khoso was sworn in on Monday, local media reported. (Xinhua/PID)

Pakistani President Asif Ali Zardari (C) administers the oath to Pakistan's interim Prime Minister Mir Hazar Khan Khoso (L, front) during the sworn-in ceremony in Islamabad, capital of Pakistan, March 25, 2013. Khoso was sworn in on Monday, local media reported. (Xinhua/PID)

Pakistani President Asif Ali Zardari (R, front) administers the oath to Pakistan's interim Prime Minister Mir Hazar Khan Khoso (L, front) during the sworn-in ceremony in Islamabad, capital of Pakistan, March 25, 2013. Khoso was sworn in on Monday, local media reported. (Xinhua/PID)

Photo provided by Pakistan's Press Information Department (PID) on March 25, 2013 shows Pakistan's interim Prime Minister Mir Hazar Khan Khoso (C) inspects honour guard at Prime Minister House after the oath taking ceremony in Islamabad, capital of Pakistan. Khoso was sworn in as this country's interim Prime Minister in Islamabad on Monday. (Xinhua/PID)