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Democratic presidential candidate Sen. Bernie Sanders greets supporters at a campaign rally in Stockton, California, May 10, 2016. Sanders is campaigning in California ahead of the state's June 7 presidential primary. Justin Sullivan/Getty Images

Bernie Sanders' win in the West Virginia Democratic presidential primary Tuesday is likely seen as a validation of sorts for his campaign's decision not to quit the race. The Vermont senator still needs to close the considerable delegate gap between him and his rival, former Secretary of State Hillary Clinton, but Tuesday was a step toward achieving that goal. It was not immediately clear how many delegates the Sanders campaign would be awarded after Tuesday's win, but there were 29 up for grabs.

The underdog candidate was expected to take the stage in Salem, Oregon, where he was campaigning after spending part of the day in California. To watch his victory speech, click here or watch below.

Sanders was favored to win the West Virginia primary, according to polling, and his campaign issued a fundraising note to supporters about an hour before his victory was confirmed to acknowledge the senator's achievment.

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