http://www.theage.com.au/articles/2005/07/10/1120934127330.html
James Button
"Government ministers believe the bombers are a 'very small number' of individuals who arrived on false passports from mainland Europe or north Africa in the past six months. But former Scotland Yard chief Lord Stevens wrote that they 'will almost certainly be British born and bred' and it was 'dangerous wishful thinking' to believe they were foreigners."