Hillary Clinton 'has commanding delegate lead for presidential nomination'
Hillary Clinton has secured support from half the US Democratic Party superdelegates who get to cast ballots at the party's national convention, according to a poll.
Their backing gives Mrs Clinton a commanding advantage over her rivals for the Democratic nomination for president, the Associated Press (AP) said.
Mrs Clinton's margin over Vermont Senator Bernie Sanders and former Maryland Governor Martin O'Malley comes several months before primary voters head to the polls.
AP contacted all 712 people known as superdelegates, and more than 80% responded.
They were asked which candidate they plan to support at the convention next summer.
Mrs Clinton got endorsements from 359, while Mr Sanders was endorsed by eight. Two superdelegates supported Mr O'Malley, and the rest were uncommitted.