He emphasized that NATO Secretary General Mark Rutte shares the same position as his predecessor Jens Stoltenberg, who called for lifting the strike restrictions during his tenure.
The decision to lift the restrictions lies with individual NATO member states.
Ukraine's actions in self-defense, including possible strikes inside Russia, are justified under Article 51 of the UN Charter.
Both the current and former Secretaries General have repeatedly urged member states to re-evaluate and possibly ease these restrictions so that Ukraine can effectively counter Russian aggression.
On Nov. 17, media reported that Biden had authorized Ukraine to carry out strikes deep into Russian territory with U.S.-made ATACMS missiles with a range of up to 190 miles (306 km).
The French newspaper Le Figaro wrote that Britain and France had also authorized strikes deep into Russian territory with their long-range SCALP/Storm Shadow missiles.
On Nov. 20, the Ukrainian Air Force likely launched Storm Shadow/SCALP cruise missiles at the village of Maryine in Kursk Oblast. A critical military communications hub was targeted in the first strike inside Russian territory with Western long-range missiles.
On Nov. 25, White House National Security spokesman John Kirby confirmed that Ukraine hit military targets in Russia’s Kursk Oblast with U.S.-made ATACMS missiles.