Bernie Sanders suggests he may support primary challengers against Manchin and Sinema

Progressive Vermont senator believes there's a very good chance' Democrats will face challenges over their filibuster stance

Bernie Sanders has said he may consider supporting primary challengers against colleagues Joe Manchin and Kyrsten Sinema, the two Democrat holdouts in debate over whether to amend the filibuster to pass voting rights legislation.

The progressive Vermont senator told reporters on Tuesday that he believes there is a very good chance" that Manchin, a West Virginia Democrat, and Sinema, a Democrat from Arizona, will face primary challenges because of their stance on the filibuster.

Associated Press contributed to this report