Biden says his US presidential campaign has raised about $22 million in 5 days

U.S. Democratic presidential candidate Joe Biden said on Friday his campaign had raised about $22 million in five days, a figure that would represent continued momentum after his sweep of primary wins on Super Tuesday.

"We've already raised about 22 million bucks just in 5 days," Biden said by telephone to a private campaign event, describing it as a sign of "enthusiasm."