Ukraine has enough plutonium to construct hundreds of nuclear warheads for rudimentary bombs akin to the first atomic weapons dropped on Japan by the US in 1945, a new report has revealed. A briefing paper prepared for Ukraine's Defence Ministry said Kyiv could develop small dirty bombs within months if Donald Trump pulls US military aid. Despite giving up its nuclear arsenal in 1996, Kyiv is still in control of nine operational reactors and has significant expertise on how to build the weapons. Ukraine does not have the time or resources to run the facilities required to enrich uranium needed...