<span style="color: #222222;">Chinese President Xi Jinping has offered North Korean leader Kim Jong Un backing in deadlocked nuclear talks with the US, insisting the two sides should meet halfway. </span><br />'' <br />'' <span style="color: #222222;">Chinese state media said on Thursday that Kim visited Beijing by train this week for two days of discussions. The discussions were seen as a strategy session ahead of a second summit between the North Korean leader and US President Donald Trump.</span><br />'' <br />'' <span style="color: #222222;">At their first meeting in Singapore in June, Kim and Trump signed a vaguely worded document with Kim pledging to work towards the denuclearisation of the Korean peninsula.</span><br />'' <br />'' <span style="color: #222222;">But progress has since stalled with Pyongyang and Washington, which stations 28,500 troops in South Korea — disagreeing over what that means.</span><br />'' <br />'' <span style="color: #222222;">North Korea wants relief from the multiple sets of sanctions imposed on it over its nuclear weapons and ballistic missile programmes, while the US wants the measures to remain in place until Pyongyang gives up its arms. </span><br />''