Elizabeth Warren to endorse Democrat Joe Biden for president -reports

U.S. Senator Elizabeth Warren will endorse former Vice President Joe Biden for president on Wednesday, CNN and NBC reported, giving the presumptive Democratic front-runner another high-profile backing from one of his former rivals.

Warren, a progressive leader who ended her own bid for the White House last month, was expected to release a video announcing her support, CNN reported. The endorsement continues Biden's consolidation of the party, after Senator Bernie Sanders and former President Barack Obama endorsed Biden this week.