NEW YORK (CBSNewYork) — Months after a hard-fought primary battle, Queens District Attorney Melinda Katz celebrated her inauguration.

The ceremony was held Monday night at St. John’s University.

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“The willingness to take action, to do what’s right, has always been the foundation of public service,” Katz said. “We are in a position to stand up, speak out and make real change.”

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Prior to this, Katz had served as Queens borough president.

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She won last year’s Democratic primary by a narrow margin over Tiffany Caban.