NBC is reporting that the 62nd street townhouse explosion may have been caused by a gas leak; the building housed doctors' offices and investigators are looking into a possible suicide attempt. Until more details emerge, let's go to the man-on-the-street interview with a notorious gas expert:

CNN's Larry King was in a hotel nearby at the time of the explosion. He said it felt like an earthquake.

"I've never heard a sound like that," King said.

We sincerely doubt that.

New York Building Collapses, Burns [CNN]
Earlier: Happy Monday: UES Building Explodes, Collapses
Related: Gawker's Hard-Hitting Coverage of Larry King's Flatulence

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