A recent military designation has sparked a major diplomatic crisis between Warsaw and Kyiv, exposing deeply conflicting national narratives. What has happened? #EuropeToday

The Polish defence minister urges Ukraine to reconsider naming a military unit after Heroes of the Ukrainian Insurgent Army.

The Ukrainian Insurgent Army (UPA) is believed by Ukrainians to be a key pillar behind their independence, while Warsaw accuses it of carrying out "genocide" against Poles between…