Islamabad: Three-time former Pakistan Prime Minister Nawaz Sharif on Thursday took oath as an ordinary Member of the National Assembly as newly-elected members of the lower house of the Pakistani parliament met for the first time and took oaths amid a ruckus by supporters of incarcerated cricketer-turned-politician Imran Khan. Outgoing National Assembly Speaker Raja Pervaiz Ashraf administered the oath to the MNAs.Islamabad: Three-time former Pakistan Prime Minister Nawaz Sharif on Thursday took oath as an ordinary Member of the National Assembly as newly-elected members of the lower house of the Pakistani parliament met for the first time and took oaths amid a ruckus by supporters of incarcerated cricketer-turned-politician Imran Khan. Outgoing National Assembly Speaker Raja Pervaiz Ashraf administered the oath to the MNAs.