Oct 18 (Reuters) - Russian President Vladimir Putin has proposed a summit next month with US President Donald Trump and Chinese leader Xi Jinping ‌to negotiate an end to the four-year-old Ukraine conflict that would ‌favour Moscow, the Wall Street Journal reported on Sunday, citing people familiar with the discussions.

The proposed summit ​comes amid warming ties between Trump and Putin especially after the US President announced a deal to buy Russian diesel and signed an order on Friday waiving key sanctions on Moscow.

Citing a former Russian intelligence officer briefed on the matter, the ‌paper said that Putin's suggestion ⁠came in an October 9 telephone call with Trump that also yielded the diesel deal between the two countries.

The White House ⁠did not immediately respond to a Reuters request for comment, while the Kremlin could not be immediately reached outside regular...