Democratic presidential front-runner Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE leads rival Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE by 8 points just days ahead of Pennsylvania’s primary, according to a new poll.

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Clinton has 51 percent support among likely Democratic voters in the CBS News Battleground Tracker poll released Sunday morning, compared to 43 percent for Sanders.

The margin of error in the online poll is 6.7 percentage points.

Clinton leads Sanders by 15 points, however, in a Wall Street Journal/Marist/NBC News poll released early Sunday.

Clinton also holds a commanding lead of almost 16 percent in the Keystone State, according to the RealClearPolitics average of polls.

Clinton’s leads is 5 points in Indiana, according to the CBS News poll, 49 to 44 percent.

That poll’s margin of error is 8.2 percentage points.

Clinton has a 3.5-point lead in the Hoosier State in the RealClearPolitics average of polls.