Muhammad Shehbaz Sharif has been sworn-in as the Prime Minister of Pakistan.President Dr. Arif Alvi administered him the oath at a ceremony at Aiwan-e-Sadr in Islamabad today.The oath taking ceremony was attended amongst others by PML-N Quaid Mian Muhammad Nawaz Sharif, PPP Chairman Bilawal Bhutto Zardari, PPP Co-Chairman Asif Ali Zardari, Chairman Joint Chiefs of Staff Committee, Services Chiefs, and the Chief Ministers of Punjab, Sindh and Balochistan and the parliamentarians.Source: Radio Pakistan