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You can find the current article at its original source at http://www.guardian.co.uk/world/2012/jul/27/us-officials-report-upgraded-underwear-bomb
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| Version 4 | Version 5 |
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| US on lookout for terrorists using upgraded underwear bombs | US on lookout for terrorists using upgraded underwear bombs |
| (4 months later) | |
| US security officials are on the lookout for upgraded underwear bombs containing a new type of explosive, it has been disclosed. | US security officials are on the lookout for upgraded underwear bombs containing a new type of explosive, it has been disclosed. |
| The revelation follows analysis of a bomb intercepted by a CIA operation in Yemen. | The revelation follows analysis of a bomb intercepted by a CIA operation in Yemen. |
| John Pistole, the US transportation security administrator, told an audience at a security forum in Aspen, Colorado that the device smuggled out by a double agent earlier this year was an upgrade from the underwear bomb carried by Nigerian Umar Farouk Abdulmutallab on to a Detroit-bound airliner at Christmas 2009. | John Pistole, the US transportation security administrator, told an audience at a security forum in Aspen, Colorado that the device smuggled out by a double agent earlier this year was an upgrade from the underwear bomb carried by Nigerian Umar Farouk Abdulmutallab on to a Detroit-bound airliner at Christmas 2009. |
| "We found in the underwear plot, part 2 … that a different type of explosive had been used than the previous one," Pistole said. | "We found in the underwear plot, part 2 … that a different type of explosive had been used than the previous one," Pistole said. |
| "So we have gone back and recalibrated all the equipment and we have been working with our canine to detect this different type of explosive." | "So we have gone back and recalibrated all the equipment and we have been working with our canine to detect this different type of explosive." |
| The CIA intercepted the new device earlier this year, thwarting an ambitious plot by al-Qaida's affiliate in Yemen to destroy a US-bound airliner a year after the killing of Osama bin Laden. | The CIA intercepted the new device earlier this year, thwarting an ambitious plot by al-Qaida's affiliate in Yemen to destroy a US-bound airliner a year after the killing of Osama bin Laden. |
| The new model also had a more sophisticated trigger mechanism, an apparent attempt to fix the defect that burned the bomber but failed to ignite the bomb in the 2009 attack. | The new model also had a more sophisticated trigger mechanism, an apparent attempt to fix the defect that burned the bomber but failed to ignite the bomb in the 2009 attack. |
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