China has accused the United States of having a "Cold War mentality" after the latter announced its plans to diversify its nuclear arsenal by developing smaller bombs. Aljazeera.com NORTH Korea has issued a new set of stamps boasting about its nuclear weapons arsenal and pledging an immediate counterattack, as tensions between Kim Jong-un’s isolated regime and the US intensify. Express.co.uk IRAN has fired at least 23 ballistic missiles – 15 of which are said to be nuke-capable – since signing the 2015 nuclear deal with world powers, a leaked report has claimed. Express.co.uk The US Defense Department was forced to correct several mistakes in its Nuclear Posture Review after an initial version of the report released last week labeled Taiwan as part of China and included the disputed Kuril islands in a chart depicting Russia. Cnn.com