What to know

• "I'd love to denuclearize if possible, but we're actually talking to Russia about that, and we're talking to China about that denuclearization," Trump said.S1
• Trump says Washington is holding talks with Russia and China on denuclearisation, as the expiry of the New START treaty raises questions over future limits on the world's nuclear arsenals.S2
• US President Donald Trump confirmed he is talking to Russia and China regarding denuclearisation.S3