Nuclear Blast Victims Would Have To Wait

The White House has warned state and local governments not to expect a “significant federal response” at the scene of a terrorist nuclear attack for 24 to 72 hours after the blast, according to a planning guide.

President Obama told delegates from 47 nations at the Nuclear Security Summit on Tuesday that it would be a “catastrophe for the world” if al-Qaeda or another terrorist group got a nuclear device, because so many lives would be lost and it would be so hard to mitigate damage from the blast.

A 10-kiloton nuclear explosion would level buildings within half a mile of ground zero, generate 900-mph winds, bathe the landscape with radiation and produce a plume of fallout that would drift for hundreds of miles, the guide says. It was posted on the Internet and sent to local officials.

SUMMIT: Nuclear agreement hailed as step forward

ON THE WEB: Read the planning guide (pdf)

The document is designed to help local officials craft plans for responding to a nuclear blast. The prospect is anything but far-fetched, says Rick Nelson of the Center for Strategic and International Studies. “Do I think in my lifetime I’ll see the detonation of a nuclear device? I do.”…