Islamabad, Aug 28, SPA -- Shaukat Aziz was Saturday sworn in as Pakistan's 23rd prime minister, following his election as the leader of the house in the national legislature a day earlier. President Pervez Musharraf administered the oath to the ex-banker who had been invited by the military ruler to take charge of the country's economy. Aziz retained his position as the finance minister in the civilian government inducted after the November 2002 election. --SPA 1510 Local Time 1210 GMT www.spa.gov.sa/195923