year-old man arrested on Tuesday on suspicion of the "commission, instigation or preparation of acts of terrorism". He was detained in Leeds, the home town of at least three of the bombers, details of whom are still emerging. One was 22-year-old Shehzad Tanweer, a keen cricketer who helped out at his father's fish and chip shop. Friends and family said he was fanatical about sport but not about politics or religion. The other two have been named as 18-year-old Hasib Mir Hussain and Mohammed Sadique Khan, 30, a husband and father who worked as a teaching assistant looking after disabled children. "He was 100 percent committed to the school and to the children and worked extremely hard with children and families," said his former headteacher Sarah Balfour. "We are all extremely shocked and find it hard to understand." The fourth bomber has not been named. Britain's newspapers were dominated by details of the men. "The boy who grew up to bomb the No 30 bus," was the headline in The Independent next to a photo of Hussain as a 10-year-old schoolboy. He blew himself up on a double-decker bus in central London, an hour after the other three bombers struck in quick succession at three London Underground stations. The Guardian printed a photograph of Shahara Islam, a 20-year-old who was one of Hussain's victims, and contrasted her story as a young British Muslim with his. She was one of 22 victims of the bombs to be identified and 11 who have been named. Coroners are still trying to formally identify the other 30 victims and police say they expect the death toll to rise. Several newspapers identified more suspects who they said police were hunting. One was described as an Egyptian chemistry student at Leeds University who had lived in the same area of the city as the bombers but who had disappeared days before the attack. Another was described as a British-born al Qaeda operative who arrived in the country by sea three weeks ago and left again hours before Thursday's blasts. --SP 1428 Local Time 1128 GMT