As London remembers the first anniversary of its deadly subway attacks, the Daily News reveals that jihadists were plotting to blow up the Holland Tunnel in order to flood lower Manhattan. The plot was apparently in the works months ago, with a "pledge" of support from Abu Musab al-Zarqawi, with hopes, as the News puts it, "to drown the Financial District as New Orleans was by Hurricane Katrina." Well, given government response to floods, it's not surprising that terrorists would want to emulate disasters from nature.

The FBI found the plotting through Internet chat rooms, and U.S. officials have arrested one of the plotters and are still looking to find the others. One counterterrorism source doubted if enough explosives could really blast the Holland Tunnel and would do enough damage to flood the Financial District. What can damage the Financial District: A hurricane.

Update: Senator Schumer and Congressman King confirm the terror plot, but now say the plotting was to bomb the Lincoln Tunnel. And flood Midtown?

Londonist is looking back at what happened.