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Speaking to the French radio station Europe 1, he said: “Mr Trump has hailed Britain’s decision to leave the EU as a ‘great victory’ and has made it clear that Britain is more important to him than Brussels.

Mr Bujon de l'Estang added that Mr Trump was more interested in forging close ties with post-Brexit Britain.

François Bujon de l'Estang said the Republican’s pledge to put ‘America first’ has forever shifted the political status quo.

The former French ambassador to the US bemoaned Mr Trump's support of Brexit

“He doesn’t care about what’s happening in Europe. He wants to ‘put America first’.”

The former ambassador added that Mr Trump was a “jingoist who sees the EU as a major threat to American supremacy,” and that the Brussels bloc would have to follow his lead by putting “Europe first”.

He said: “I know it sounds crazy but Mr Trump is here to stay. We need to buckle our seatbelts and keep them buckled, for another four years, at least.”