AN ALLEGED terrorist suspected of plotting the September 11 massacres and being an accomplice of the Madrid train bomb cell has been arrested in Britain, The Times can disclose. Alleged links between Farid Hilali and the two biggest al-Qaeda attacks in the West make him one of the most important Islamist terrorist suspects held by Scotland Yard. His arrest on Monday made him the first high-profile suspect detained in Britain under new European warrants designed to improve crossborder co-operation. Mr Hilali, 35, from Morocco, is believed to be the shadowy figure, previously known as “Shakur”, who telephoned the alleged chief...