The man detained over a suspected suicide bomb attack in Exeter was an autistic 22-year-old allegedly radicalised by a gang of suspected Muslim radicals who were being monitored by police and MI5, The Daily Telegraph can disclose. Investigating officers said that Nicky Reilly received a text message of "encouragement" hours before the nailbomb attack in a family restaurant. Police have made the first arrests as the net closed in on the suspected radicals alleged to have groomed the bomber. Sources close to the investigation said that the alleged corruption of a vulnerable young man - who suffered from Asperger's Syndrome,...