1. And they're planning to detonate a dirty bomb.

2. Mr Barot had considered a series of attacks, including a radioactive "dirty bomb" and a plot to blow up limousines filled with gas cylinders in London.

3. A dirty bomb releases enormous amounts of long - lived radioactive fallout.

4. In Chernobyl the explosion was caused by excessive pressure buildup hydrogen explosion and rupture of all containments propelling molten core material into the environment (a "dirty bomb").Sentencedict

5. As I mentioned above, that raises a serious concern about the prospects of radiological materials getting in the hands of terrorist organizations - heightening worries over a dirty bomb.

6. If the computer picks up on a possible situation – say, a passenger has a dirty bomb or a bioweapon – a series of actions will occur.

7. The National Football League says the its stadiums are safe and will be this Sunday despite an Internet threat of dirty bomb attack.

8. New York City Police Commissioner Raymond Kelly said police have been doing strict control measures, including dealing with a terrorist dirty bomb may be cast.

9. and that larger amounts of other radioactive material, from discarded X-ray machines to spent fuel, might be used to make a dirty bomb.

10. Hawks think that the president has (and should have) the power to do whatever is necessary to stop a dirty bomb going off in an American city.

11. He said: "We must guard against terrorist attacks with dirty bombs, radioactive substances and the general mix of explosives, you can create a dirty bomb."

12. In 2006, it featured in the British trial of three men accused of trying to make a dirty bomb.

13. The risk of terrorists stealing the material in transit to make it into a dirty bomb, or even crude nuclear weapons, meant that it would have to be protected by armed guards, they claim.