The trial has started of three men from Birmingham accused of plotting a suicide bombing campaign in the UK.
31-year-old Irfan Naseer from Sparkhill, 27 year old Irfan Khalid from Sparkbrook and 27 year old Ashik Ali from Balsall Heath were arrested in Birmingham last September.
They were described in court as senior members of a "home grown terror cell".
Opening the case against the three men this morning at Woolwich Crown Court, Brian Altman QC said the plan had been to commit an act of terror on a greater scale than the London bombings of July 7th 2005.
They are accused of planning to detonate 8 suicide rucksack bombs in an attack described as "another 9/11".
In September last year officers from the West Midlands Counter Terrorism unit made a series of arrests.
In total 11 men and one woman, all British Muslims of Pakistani or Bangladeshi origin were charged.
Six have since pleaded guilty. Irfan Naseer, Irfan Khalid, and Ashik Ali are described as the "central figures" of the plot but deny all of the charges against them.
Their trial is expected to last until January.