Barley: EU nuclear bomb “could become an issue”. After Great Britain leaves the European Union, France is the only EU country with nuclear weapons.

French President Emmanuel Macron has repeatedly offered Germany and other EU partners talks about a European nuclear deterrent. Polish Prime Minister Donald Tusk described Trump's threat on Monday evening as a "cold shower" for all those "who continue to underestimate this increasingly real threat to Europe" German Chancellor Olaf Scholz still relies on NATO's existing system of nuclear deterrence, which is based on US weapons.