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Story highlights

The poll showed roughly 30% of likely Virginia Republican voters are unsure whether they will stand by GOP front-runner

Ninety percent of Virginia Democrats polled said they would support Democratic front-runner Hillary Clinton

(CNN) —  

A new Virginia poll is revealing a major loyalty gap between GOP and Democratic voters in a hypothetical general election match-up in the key swing state.

The poll, conducted by the Wason Center for Public Policy, showed roughly 30% of likely Republican voters in Virginia are unsure whether they would vote for GOP front-runner Donald Trump in the general election if he is their party’s nominee.

READ: Trump meeting suggests campaign changes

In contrast, 90% of Virginia Democrats polled said they would support Democratic front-runner Hillary Clinton in the general election, even if they are currently Bernie Sanders supporters.

In a general election match-up in the state, Clinton leads Trump 44% to 35%.

Trump – who has long led in GOP national polls – is under increased pressure to clinch the nomination, following a series of campaign missteps, and a loss in the Wisconsin primary, increasing the likelihood of a contested convention in Cleveland.

READ: Clinton Plan: Defeat Sanders, then unify Democratic party

The poll, which surveyed voters who participated in the state’s March 1 primary, comes after the two front-runners lost Tuesday’s Wisconsin contest to Texas Sen. Ted Cruz and Vermont Sen. Bernie Sanders. Virginia is likely to play the role of a swing state in November.

The poll surveyed 1,167 registered Virginia voters between March 23-April 3 with a margin of error of plus or minus 3.1 percentage points.