Trump up by 6 points in Pennsylvania
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Republican primary front-runner Donald TrumpDonald John TrumpAlaska Republican Party cancels 2020 primary Ukrainian official denies Trump pressured president Trump goes after New York Times, Washington Post: 'They have gone totally CRAZY!!!!' MORE sits atop the GOP field in Pennsylvania ahead of its April 26 primary, according to a new poll.

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Trump has 22 percent support in Thursday's Franklin & Marshall College poll, followed by Marco RubioMarco Antonio RubioThe Memo: 'Whistleblower' furor gains steam Liberal super PAC launches browser extension replacing 'Mitch McConnell' with 'Moscow Mitch' Trump faces difficult balancing act with reelection campaign MORE, with 16 percent; John Kasich, with 15 percent; and Ted CruzRafael (Ted) Edward CruzState Department's top arms control official leaving Sanders NASA plan is definitely Earth first Trump judicial picks face rare GOP opposition MORE, with 12 percent.

Ben Carson places fifth in the Keystone State, with 6 percent support.

Trump’s support is largely unchanged in the new poll, which found him with 24 percent support in January and 23 percent support in October.

Kasich is up by 12 percentage points since January, and Rubio is up 5 over that same span.

Twenty-five percent of respondents said they are still undecided.

Although Trump leads the field, he is not seen very favorably in the state.

Just 45 percent of Pennsylvania Republicans said they view Trump positively, compared to 42 percent who have a negative impression of the businessman.

Rubio had the highest favorability splits, with 61 percent viewing the Florida senator favorably, compared to 19 percent unfavorably.

Pollsters surveyed 371 Republicans from Feb. 13 to 21. It has a margin of error of 3.1 percent.