By Shabbir Mir in The Express Tribune, July 21st, 2014. GILGIT: The fight over the management of the Sost Dry Port, which includes allegations of its Pakistani and Chinese officials attacking each other, has moved to Islamabad. The newly elected chairman of the port, Zafar Iqbal, has been summoned by the Prime Minister’s Secretariat to explain allegations of a Chinese staffer being slapped as he tried to take control of his office a week or…