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New York City Democratic Mayoral hopeful Bill De Blasio celebrates on stage with his wife Chirlane, right, after addressing supporters at his election headquarters after polls closed in the city's primary election Wednesday, Sept. 11, 2013, in New York. (AP Photo/Kathy Willens)

NYC primary

Bill de Blasio, a harsh liberal critic of Mayor Michael Bloomberg, won the most votes in the New York City Democratic mayoral primary on Tuesday but may still face a runoff, according to unofficial results.

With nearly 90 percent of precincts reporting, Public Advocate de Blasio was winning 40 percent and former city comptroller Bill Thompson 26 percent, according to NY1 television. (Reuters)