Shares in some of the biggest European carmakers slumped on Monday after U.S. President Donald Trump imposed new tariffs of 25% on goods from Mexico and Canada and 10% on imports from China, raising concern over possible duties on EU imports too.

The threat of a transatlantic trade war loomed large Monday over a gathering of European leaders aimed at boosting the continent's defences in the face of an aggressive Russia. The EU's 27 leaders convened the Brussels talks involving Britain'

EU leaders huddle Monday with Britain's prime minister and the head of NATO to discuss efforts to boost Europe's defences faced with an aggressive Russia -- as Donald Trump demands

EU leaders have vowed unity against Trump's tariffs as they gather in Brussels to discusses defence and security issues. View on euronews