A n emerging rift between Melania Trump and Hunter Biden escalated Thursday when the son of former President Joe Biden issued an expletive-laden response to the first lady's demand that he apologize for an allegation he made about her alleged prior ties to convicted sex trafficker Jeffrey Epstein.

Hunter Biden refuses to apologize to Melania Trump. The first lady threatened to sue Biden for $1 billion in damages if he refused to retract and apologize for comments linking her to convicted sex predator Jeffrey Epstein. “Uh, f**ksthat," Biden said in response.