“Europeans must realise collectively that in the absence of a legal framework, they could rapidly face a new race for conventional weapons, even nuclear weapons, on their own soil,” Macron told military officers in a speech laying out France’s post-Brexit nuclear strategy. France is now the only nuclear-armed power in the EU borders at a time when long-standing accords on limiting the growth of nuclear arsenals appear increasingly at risk. “The vital interests of France now have a European dimension,” Macron said.