NEW DELHI/beIjing, Sept. 12 -- India and the US have called on Pakistan to take "immediate, sustained and irreversible action" to ensure that Pakistani territory isn't used for terror attacks and to speedily bring to justice the perpetrators of the 2008 Mumbai and 2016 Pathankot attacks, even as China defended its all-weather ally's counter-terrorism record saying it has made "tremendous efforts" in fighting terror and should not be singled out as a country linked to terrorism...