Images of prison where French attacker was previously held Radouane Lakdim, the gunman involved in last Friday's shooting spree in the southern French towns of Carcassonne and Trebes, was known to be a potential threat and was being monitored by intelligence services. IMAGES of Carcassonne prison where Radouane Lakdim was previously held, and the Ozanam neighbourhood where he livedREFILING TO CORRECT HEADLINE AND INTRO