A teenager was stabbed just yards from the Mayor of London’s headquarters at City Hall. Detectives want to speak to two men after a 19-year-old was knifed near Sadiq Khan’s office in Southwark, south London. Officers and paramedics found the man suffering from stab wounds in the More London Riverside area shortly after midnight on April 11. Met Police have released images taken from CCTV footage of two men they wish to speak with in connection.