Three men were on Monday convicted of plotting to launch a series of suicide bomb attacks on London's public transport system two weeks after the July 7, 2005, bombings on the network that killed 52 commuters.
The verdict came amid high alert against possible terror threats in the country in the wake failed car bombs in London and the attack on Glasgow airport.
Muktar Said Ibrahim, Yassin Omar and Ramzi Mohammed were found guilty of conspiracy to murder after a six-month trial at London's Woolwich Crown Court.
The jury -- nine women and three men -- have yet to reach verdicts on three other defendants in the trial.
The terror cell attempted to detonate hydrogen peroxide and chapatti flour bombs covered in shrapnel on three tube trains and a bus on July 21, 2005.
25-year-old Mohammed had targeted a train at Oval station in south London while Omar, 26, was on board a train at Warren Street in central London and 29-year-old Ibrahim had boarded a bus in Hackney, east London.
Their murderous plan only failed at the last moment because of problems with the home-made explosives, hot weather, or mere "good fortune", the Woolwich Crown Court heard.
Similar hydrogen peroxide mixture used by the July 7 attackers had detonated properly.
Mohammed and Ibrahim were captured a week later in a flat in west London.
Omar was arrested in Birmingham after traveling there disguised as a woman in a burka.
Ibrahim, the leader of the group, traveled to Pakistan in December 2004 to learn the skills needed to organise the attack, prosecutors said adding he was there at the same time as July 7 mastermind Mohammed Siddique Khan.
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