Afghanistan’s president on Thursday urged Pakistan to do more to stop Taliban and other militants sheltering and training on its territory rather than separating families with an impractical border fence and landmines. Hamid Karzai said the plan announced by Islamabad this week would do nothing to stop cross-border incursions by militants and would merely divide families already split by the British-drawn frontier. “It’s going to be, in effect, a separation of tribes and families from each other, not a prevention of terrorism,” he told reporters at his palace in Kabul. “If we want to prevent terrorism as a whole, forever eradicate them, defeat them, then you must remove their sanctuaries, then you must remove the places where they get training, their sources of finances and equipment and training. "