By Olena Harmash

KYIV, Nov 14 (Reuters) - US negotiators have floated the idea of Ukraine's potential withdrawal from its eastern region of Donbas in exchange for joining NATO, President Volodymyr Zelenskiy said, following the latest round of peace talks with Russia in Abu Dhabi.

This is the first time ‌the question of linking NATO membership to territorial concessions has been raised during the talks, Zelenskiy said in remarks to reporters released by his office ‌on Saturday.

"The Americans raised a question: 'What if Ukraine joins NATO? Would Ukraine withdraw from Donbas?" he said.

"That is why I believe NATO is back on the agenda. But you have also heard (Russian President Vladimir) Putin's signals, ​and this is an extremely difficult conversation."

Putin has long said Ukrainian membership of NATO is a red line for Moscow, citing the issue as one reason for launching Russia's f...