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MORE ON JULY 7 ATTACK |
FINANCIAL MARKETS REACT |
Slide show |
Attacked again View images from London after four small explosions hit the city's transportation network on July 21. |
Slide show |
July 7 attacks Near simultaneous explosions rock the London subway and tear open a double-decker bus during the morning rush hour. |
INTERACTIVE |
Free video: London blasts |
Shoot to kill Aug. 7: It's a controversial policy, but "shoot to kill" is gaining support among police looking for a way to stop suicide bombers. NBC's Ron Allen reports. |
NEWSWEEK | Coverage of London attacks |
NBC News special series |
Is airport security better now since Sept. 11? How can you avoid airport aggravation during your travels? An NBC News special series looks at what you need to know. |