North Korea said Friday it test-fired new tactical guided projectiles the previous day, as U.S. President Joe Biden warned necessary action could be taken against Pyongyang if it ratchets up tensions.The country's official Korean Central News Agency said the warhead weight of the newly developed weapon has been improved to 2.5 tons. If true, that would make it capable of carrying a nuclear warhead.At a press conference in Tokyo on Friday, Japanese Defense Minister Nobuo Kishi confirmed the two projectiles "were a new type of ballistic missile that had never been fired before."Japan and Sout…READ FULL ARTICLE