If you heard all those sirens last night and thought to yourself "this sounds a little more intense than usual", it was. As posted in the comments, this links to the story http://abclocal.go.com/wabc/story?section=news/local&id=5865155.
The address is 68-64 Yellowstone - The Andrew Jackson, a great looking presidential rental building about a block away from the playground. From the WABC TV story, it looks like no one was hurt.
No word on what started it, but just a reminder - if you haven't thrown out your Christmas tree - do it first thing tomorrow.