Claims that one of the July 7 suicide bombers left a six-figure fortune mystified investigators last night. A report in The Sun said that Shehzad Tanweer, 22, who detonated a bomb on the Underground at Aldgate station, killing eight people, had an estate valued at £121,000 net of taxes and debts. Yet Tanweer, a British national of Pakistani descent, was a student until 2004 and worked for a few hours a week as an assistant in the fish and chip shop run by his father in Beeston, Leeds. Questions were being asked how he could possess assets of such value....