Joe Biden attends Nantucket Christmas tree lighting with his family

US President Joe Biden has attended the annual Christmas tree lighting ceremony in Nantucket, Massachusetts. Before the ceremony, the US President went shopping in Nantucket, where he will spend Thanksgiving weekend with his family. When asked about the recent bomb threats against U.S. lawmakers and several of Donald Trump's Cabinet picks, Mr Biden said he was working closely with the FBI. No evidence of explosives was found on the lawmakers' properties.