Two boys study together at a Chicago yeshiva in 2009. Public health officials say this type of close physical contact caused a mumps outbreak to spread throughout several orthodox Jewish communities in and around New York City. M. Spencer Green/AP hide caption

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A lift to safety: New York City Police officers used "Helicopter 23" — named for the 23 officers killed on Sept. 11, 2001 — to rescue six people from rooftops on Staten Island. InsideNYPD hide caption

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Ambulances line up outside New York University Langone Medical Center to evacuate patients after backup generators failed when Sandy knocked out power in Lower Manhattan Monday. John Minchillo/AP hide caption

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In New York City's financial district, cars floated in a flooded subterranean basement a day after Hurricane Sandy tore across the East Coast. Andrew Burton/Getty Images hide caption

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President Obama turned a planned campaign speech in Fort Myers, Fla., into a brief statement about the shooting rampage. He asked the audience to join him in a moment of silence for the victims. Mandel Ngan/AFP/Getty Images hide caption

itoggle caption Mandel Ngan/AFP/Getty Images