Washington DC, March 11 -- US President Donald Trump's special envoy Steve Witkoff said that Ukrainian President Volodymyr Zelenskyy apologised to Trump in a letter after an explosive public argument during an Oval Office meeting, The Hill reported.

"Zelenskyy sent a letter to the president. He apologized for that whole incident that happened in the Oval Office," Witkoff said on Monday (local time), as per The Hill.

"I think that it was an important step and there's been a lot of discussion between our teams and the Ukrainians and the Europeans who are relevant to this discussion as well."

US and Ukrainian officials are set to meet in Saudi Arabia this week to pick up on peace negotiations to end the conflict with Russia, as per The Hi...