France, March 2 -- Macron warned Monday that a widening war between the United States, Israel, and Iran risks spilling over to Europe's borders, as he unveiled a new strategy for France's nuclear deterrence.

The Middle East conflict, which began on Saturday, "brings and will continue to bring instability and a possible conflagration to our borders, with Iran's nuclear and ballistic capabilities still intact", he said.

Macron's presentation of the country's updated nuclear doctrine comesas Russia's war against Ukraine grinds into a fifth year, prompting worry amongNATO allies about Washington's wavering commitment.

European nations, which have relied on the US nuclear deterrent throughout the Cold War and in the decades since it ended, ...