The Taliban authorities warned Pakistan on Saturday after five children and a woman were killed in Afghanistan in alleged rocket attacks by the Pakistani military in a pre-dawn assault along the border. Border tensions between Pakistan and Afghanistan have risen since the Taliban seized power last year, with Islamabad claiming militant groups were carrying out attacks from Afghan soil. The Taliban deny harbouring Pakistani militants, but are also infuriated by a fence Islamabad is erecting along their 2,700-kilometre (1,600-mile) border known as the Durand line, which was drawn up in colonial …