France, June 25 -- The Ukraine Recovery Conference opens in the Polish port city of Gdansk on Thursday, bringing together officials and business leaders to discuss Ukraine's post-war reconstruction.

However, attention has shifted to a diplomatic row between two close allies after Zelensky named a military unit after the Ukrainian Insurgent Army (UPA), a nationalist group that took part in the massacre of Poles during the Second World War.

Ukraine's Prime Minister Yulia Svyrydenko will lead the country's delegation instead, Kyiv said on Tuesday.

The decision was aimed at avoiding "excessive politicisation" and "scandals", foreign ministry spokesman Georgiy Tykhy said.

"Through diplomatic channels we are in constant contact," he said of...