Ukrainian President Volodymyr Zelensky has called for NATO-style security guarantees as a prerequisite for ending Russia's war of aggression. The guarantee must function like NATO's Article 5, Zelensky told journalists in Brussels after meeting with European Commission President Ursula von der Leyen.

Volodymyr Zelensky's recent White House visit saw him trade his signature military fatigues for a sharp black suit, marking a significant shift in his