U.S. intelligence agencies have spotted signs of North Korea's ongoing nuclear and missile development.... after the first North Korea-U.S. summit held in Singapore in June last year.<br /> According to the New York Times on Sunday,... intelligence officials say.... since the Singapore summit... the regime has developed enough uranium and plutonium to produce about SIX nuclear weapons.<br />U.S. President Donald Trump is said to have been briefed on the assessments.<br />The report also says... the North is maintaining most of its facilities at the Sohae Satellite Launching Station in Dongchang-ri,... and the Punggye-ri nuclear test site. <br />