Former Vice President Joe Biden Joe BidenCast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response Biden tells CNN town hall that he has benefited from white privilege MORE defeated Sen. Bernie Sanders Bernie SandersMcConnell accuses Democrats of sowing division by 'downplaying progress' on election security The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters Why Democrats must confront extreme left wing incitement to violence MORE (I-Vt.) in Idaho’s primary on Tuesday, flipping a state Sanders had won in 2016.

The Associated Press called the race for Biden just after 1 a.m. Wednesday. The former vice president led Sanders by nearly 5,500 votes with about 77 percent of precincts reporting.

Idaho’s primary, one of six nominating contests Tuesday, will award a total of 20 pledged delegates.

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Biden's win built on victories in Michigan, Mississippi and Missouri. The races in North Dakota and Washington, the two other states holding nominating contests Tuesday, are still too close to call.

Sanders surpassed the 15 percent threshold statewide to garner delegates from Idaho, though it is still unclear just how many he will take away from the state.

Biden's victory is just the latest in a winning streak that started in South Carolina on Feb. 29 and continued with successes in 10 of 14 Super Tuesday states last week.

With his win in top-prize Michigan and other states on Tuesday, Biden has taken command of the Democratic race, further narrowing Sanders's delegate path.