U.S. Sen. Bernie Sanders and former New York City Mayor Michael Bloomberg have vaulted ahead of former Vice President Joe Biden as favored presidential candidates of New York Democrats, a poll by the Siena College Research Institute showedMonday.

The monthly poll of 658 registered voters conducted last week included questions on a variety of state issues. Only the 315 self-identified Democrats in the survey were asked about the party’s April 28 presidential primary in New York.

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