Republican presidential candidate Donald Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE is projected to win the Illinois primary.

MSNBC called the race for Trump shortly after 9:30 p.m. EDT. ABC News followed shortly after. Polls closed at 8 p.m.

The victory adds to the GOP front-runner's momentum as he inches closer to the nomination.

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Recent polling showed Trump leading rival Ted Cruz Rafael (Ted) Edward CruzSenate Republicans face tough decision on replacing Ginsburg Cruz: Trump should nominate a Supreme Court justice next week Renewed focus on Trump's Supreme Court list after Ginsburg's death MORE by single digits in the state.

Illinois awards 69 delegates — 54 proportionally by congressional district, and the remaining statewide.