From the [1] NY Daily News:

The FBI has uncovered what officials consider a serious plot by jihadists to bomb the Holland Tunnel in hopes of causing a torrent of water to deluge lower Manhattan, the Daily News has learned.

However, despite Islam's alleged glorious contributions to science in the fabled days of yore, the jihadists overlooked a key point:

Experts also said that even if the tunnel cracked, the Financial District would not be flooded because it is above the level of the river.

More on this breaking story later.