http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/1121163198819_42/?hub=CTVNewsAt11
"[possibily] the people who bombed London's subways last week were domestic suicide bombers."
"Three of the four men lived in Leeds, West Yorkshire -- a city of 715,000 about 300 kilometres north of London. "

"the Guardian newspaper's website reported three of the men were Pakistani in origin. The Associated Press quoted a Leeds town councillor as saying three of the presumed bombers were British citizens of Pakistani ancestry.

The Guardian also reported that security forces described all four suspects as "cleanskins," meaning they had no documented involvement with terror groups or criminal records."