Joe Biden says he will refuse to testify in Senate impeachment trial if called

Presidential frontrunner Joe Biden told reporters that he would refuse to testify voluntarily if the Senate called him to do so in their impeachment hearings.

Peter Doocy of Fox News asked the former vice president of the possibility of being called to testify.

"If there's a Senate impeachment trial, they might want to call you as a witness is that something where you would appear voluntarily?" asked Doocy.