At least five children and a woman were killed in an eastern Afghan province when Pakistani military forces fired rockets along the border in a pre-dawn assault Saturday, an official and a resident said. Since the Taliban seized power last year in Afghanistan, border tensions between the neighbours have risen, with Pakistan alleging 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 col…