Key facts
- President Volodymyr Zelensky returned Poland's Order of the White Eagle.
- Polish President Karol Nawrocki revoked Zelensky's award.
- The dispute centers on Ukraine naming a military unit after the Ukrainian Insurgent Army (UPA).
- Several Ukrainian officials also returned Polish awards in solidarity.
- Polish Prime Minister Donald Tusk warned that the feud benefits Russia.
President Volodymyr Zelensky has returned Poland's highest honor, the Order of the White Eagle, following a diplomatic dispute. Polish President Karol Nawrocki revoked the award after Ukraine named a military unit after the Ukrainian Insurgent Army (UPA), a group controversial in Poland for its role in World War II massacres of Poles.