Polish Prime Minister Donald Tusk has publicly questioned whether the United States remains a reliable ally for Europe's defense against potential Russian aggression, according to reports from the Financial Times.

Tusk's comments reflect growing concerns among European leaders about the durability of American security commitments to the continent, particularly as geopolitical tensions with Russia continue to simmer following the conflict in Ukraine.

The Polish leader's remarks come at a time when NATO allies are reassessing defense strategies and burden-sharing arrangements within the alliance. Poland, which shares borders with both Russia and Ukraine, has been particularly vocal about security concerns in Eastern Europe.

The questioning of US loyalty represents a significant shift in tone from a key NATO ally, as Poland has historically been one of America's strongest supporters within the alliance. The country has served as a crucial staging ground for Western military aid to Ukraine and has substantially increased its own defense spending in recent years.

Tusk's comments underscore broader European discussions about strategic autonomy and the need for the continent to develop greater self-reliance in defense matters, even while maintaining the transatlantic partnership through NATO.