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Bid to bomb-proof trains

British engineers are researching bomb-proof train carriages to prevent a repeat of the carnage left by the London Underground terrorist attacks.

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Slow-motion video of explosion in train carriage

Researchers at Newcastle University have released this footage of controlled explosions in London Underground carriages.

The first explosion shows a decommissioned carriage similar to that targeted by terrorists on the London Underground in 2005.

The second explosion is on a prototype carriage that has been redesigned by engineers to provide better protection for passengers.

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