A teenager who has been found guilty of attempted murder after planting a bomb on a busy Tube train last year, has been described as “devious”. Commander Dean Haydon also described Ahmed Hassan as “cunning”, and stressed it was only through “good fortune” that the bomb failed to detonate properly. Report by Swinnertonl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn