Christine Quinn, fighting to stay alive in Tuesday’s Democratic mayoral primary, yesterday attacked front-runner Bill de Blasio’s credibility as a critic of stop and frisk and a champion of tenants.

Another Democratic contender, Bill Thompson, piled on. His campaign attacked de Blasio for “strongly supporting” Mayor Michael Bloomberg’s initial decision last year not to postpone the marathon in superstorm Sandy’s aftermath. An email to reporters asserted that de Blasio removed from the public advocate’s website a news release that had declared his initial support.

De Blasio called Quinn’s tactics “desperate” and defended his initial stance on the marathon. MORE

Museum brings whaling history to life ... Back-to-school shopping ... Belmont Park reopening Credit: Newsday

Hofstra students weigh in on possible faculty strike ... Blakeman to make ICE announcement ... Back-to-school shopping ... Belmont Park reopening

Museum brings whaling history to life ... Back-to-school shopping ... Belmont Park reopening Credit: Newsday

Hofstra students weigh in on possible faculty strike ... Blakeman to make ICE announcement ... Back-to-school shopping ... Belmont Park reopening

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