US Special Envoy to Pakistan and Afghanistan Richard Holbrooke called on former premier and chief of his own faction of Pakistan Muslim League, Mian Nawaz Sharif, here Sunday, report said. The meeting held at Punjab House was also attended by the President PML-N and Chief Minister Punjab Mian Shahbaz Sharif, Leader of the Opposition in National Assembly Chaudhry Nisar Ali Khan, Senator Ishaq Dar and US Ambassador to Pakistan Anne W Pieterson. The two leaders discussed the issues of bilateral interests, including the Pak-US cooperation for controlling militancy in the region and rehabilitation of internally displaced persons of Malakand division.