Polish defence minister meets head of Zelenskyy's office over name of Ukrainian military unit: "There are lines that must not be crossed"

Polish Deputy PM meets Ukraine's Kyrylo Budanov amid UPA scandal

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 1943-45. #EuropeNews