KCNA: DPRK won’t beg for maintenance of friendship with Beijing, won’t give up ‘precious’ n-programme. North Korean state media have issued a stinging denunciation of the country’s chief ally and diplomatic backer China, saying Beijing should be grateful for its protection. The official Korean Central News Agency (KCNA) carried a bylined commentary warning of “grave consequences” if China tests its patience further. China, key provider Beijing and Pyongyang have a relationship forged in the blood of the Korean War, and the Asian giant remains its wayward neighbour’s main provider of aid and trade. But ties have begun to fray in recent years, with China increasingly exasperated by the North’s nuclear antics, fearful of a regional crisis. Beijing regularly calls for parties to avoid raising tensions — remarks that can apply to both Washington and Pyongyang — and in February it announced the suspension of coal imports from the North for the rest of the year, a crucial foreign...