The upcoming summit between US President Donald Trump and North Korean leader Kim Jong-un in Singapore could extend into a second day if it goes well.<br />''<br />''Informed sources said, US officials have laid the groundwork for the second day of meetings if the two leaders decide  to continue discussions. However, the White House is yet to confirm the development.<br />''<br />'' <br />''The summit will be a historic first meeting between a sitting US President and North Korean leader. Talks will begin at the Capella Hotel on Singapore's Sentosa Island at 9 AM on June 12.<br />