China on Monday urged Japan to stay true to its commitment to building a world without nuclear weapons, as it expressed doubt about Prime Minister Fumio Kishida's pledge to do so on the 77th anniversary of atomic bombing of Hiroshima.Beijing claimed that despite its pledge, the only country in the world to have suffered nuclear attacks in war has been protected by the U.S. nuclear umbrella and is opposed to Washington relinquishing the no-first-use policy regarding its nuclear weapons."Some (Japanese) politicians even claim to have nuclear sharing with the U.S. side, claiming that the U.S. …READ FULL ARTICLE