Polish President Karol Nawrocki has said he will revoke Ukraine President Volodymyr Zelenskyy's Order of the White Eagle, Poland's highest state honour, after Kyiv named a special operations unit after the Ukrainian Insurgent Army, or UPA. Ukrainian officials said the move would help Moscow by fuelling tensions between Ukraine and one of its closest allies.Nawrocki said the decision would not reduce Poland's support for Ukraine in its defence against Russia. But the row has sharpened a long-running historical dispute between the two neighbours at a time when Poland is due to host a major event on Ukraine's post-war reconstruction next...