Taimur Abdulwahab al-Abdaly showed little interest in religion as he was growing up in Sweden, channelling his energies into sport and partying. But after he began attending Bedfordshire University in Luton “everything changed” as he became a strict Muslim with increasingly extremist views, even naming his baby son Osama in honour of the al-Qaeda mastermind Osama bin Laden. On Saturday he blew himself up in a street full of Christmas shoppers in Sweden’s first suicide attack, after recording a message which promised to kill “your children, daughters, brothers and sisters”