Biden still leads in 2020 Iowa poll, three others fight for second

Democratic 2020 US presidential candidate and former Vice President Joe Biden takes questions from the audience at a campaign stop at the IBEW Local 490 in Concord, New Hampshire, US, June 4, 2019. [Reuters]

Former Vice President Joe Biden still leads the Democratic pack of presidential contenders in a poll of Iowa voters released on Saturday, with Bernie Sanders, Elizabeth Warren and Pete Buttigieg in a tight battle for second place.

Biden is the first choice of 24% of likely Democratic caucus-goers in Iowa, the state that kicks off the presidential nominating race next February, in the Des Moines Register/CNN/Mediacom Iowa Poll.