Smoke, panic and people running for their lives: shocking images have been revealed for the first time, showing the moment one of the July 7th London bombers blew up his device on an underground train - leaving seven people dead. Other footage shows the chaos in Tavistock Square as another bomb exploded on board a bus, killing 13 people: passers by are seen scattering for cover as the blast went off.

The previously unseen film was revealed at the trial of men accused of aiding the bombers to plan their deadly attacks.

Waheed Ali, Mohammed Shakil and Sadeer Saleem face charges of conspiracy to cause an explosion at at Kingston Crown court.

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