** FILE ** In this Friday, June 22, 2012, file photo, Pakistan's Prime Minister Raja Pervaiz Ashraf waves in Islamabad, Pakistan. Pakistan's Supreme Court has ordered the arrest of the country's prime minister as part of a corruption case involving private power stations, officials said Tuesday, Jan. 15, 2013. (AP Photo/B.K. Bangash, File)

Photo by: B.K. Bangash

** FILE ** In this Friday, June 22, 2012, file photo, Pakistan's Prime Minister Raja Pervaiz Ashraf waves in Islamabad, Pakistan. Pakistan's Supreme Court has ordered the arrest of the country's prime minister as part of a corruption case involving private power stations, officials said Tuesday, Jan. 15, 2013. (AP Photo/B.K. Bangash, File)