A British police forensics officer searches a property in the Stockwell area of south London July 22, 2005. Police shot dead a man at a London underground rail station on Friday and issued photographs of four men wanted urgently in connection with Thursday's botched attempts to bomb the city's transport network. Police arrested a man near Stockwell station, but declined to say if he was one of the four. REUTERS/Toby Melville TM/RD/YH