During a televised address to his nation on March 5, French President Emmanuel Macron said he was open to expanding France's nuclear umbrella to protect European allies.
"I have decided to start strategic discussions on the defense of the entire continent with our nuclear weapons. The decision will depend on the leaders and commanders-in-chief of European countries," Macron said.
The remarks come amid ongoing Russian aggression on the European continent that extends beyond Russia's full-scale occupation of Ukraine.
"The threat from Russia extends to all of Europe," Macron said. "This aggression seems distant, but it is very close. Russia is interfering in our elections, spreading propaganda everywhere."
France and the United Kingdom are the only two European countries that have a nuclear arsenal.
Macron added that a final decision on the matter will ultimately depend on the French president.
He further called on European allies to increase defense spending, amid concerns that the United States may not come to Europe's defense if it is attacked by Russia.
"I want to believe that the US will stand by us, but we must be ready for it not to be so," Macron said, noting that Russia continues to amass a larger military presence.
"Russia continues to rearm, it spends 40% of its budget on defense. By 2030, Russia wants to mobilize three million more soldiers and add four thousand tanks to its arsenal."
Western leaders and defense officials previously warned of the threat emanating from Russia amid Europe's current lack of military preparedness.
Western intelligence agencies have also warned that Russia could find the opportunity to launch a full-scale war against Europe within five years.
"Russia has become a threat to France and Europe," Macron said. "To watch and do nothing would be madness."