Democratic presidential candidate Joe Biden urged Senate Republicans not to vote on any candidate nominated to the US Supreme Court as the November election nears, calling President Donald Trump’s plan an "exercise of raw political power".

Biden was speaking on Sunday, the day a second Senate Republican voiced objections to Trump’s plan for a quick vote on a replacement to liberal Justice Ruth Bader Ginsburg, who died on Friday. Such an appointment by the president, if approved by the Senate, would cement a 6-3 conservative majority that could influence American law and life for decades.

“Voters of this country should be heard... they’re the ones who this constitution envisions should decide who has the power to make this appointment,” Biden, who leads Trump in national opinion polls, said in Philadelphia. “To jam this...