Nigel Farage told fellow MEPs "you're not laughing now" as he was barracked and booed at an emergency meeting of the European Parliament to discuss Brexit.
At a highly charged session in the Brussels chamber, EU Commission president Jean-Claude Juncker also questioned why the Ukip leader had attended the session following the Brexit vote.
French far-right leader Marine le Pen has hailed the UK's decision to leave the European Union.
Speaking at an emergency session of the European Parliament to discuss the fallout from the Brexit vote, the National Front leader told MEPs, "put away those sulky faces, put away those angry looks and rejoice in the free and great emancipation" of the British people.
She said she is "committed to pursuing the path of liberty" for France.
The Democratic presidential candidate may also have shown his cards on his choice of running mate.
The US president also shared a post on Twitter accusing Dr Anthony Fauci of misleading the public over hydroxychloroquine.
Fears over an impending second wave of coronavirus dominates Wednesday’s front pages.