the fire caused chaos for many trying to get to work in the rush hour. i m just very late to work and i m in the middle of making my arrangements, speaking to the policeman, trying to find out where to go. trying to get to work, and we can t get in through some massive fire. i we ve got lorries based in db cargo, the rail terminal for the steel- and nothing s happening, - we can t do anything and no one s telling us where we can go in. the fire destroyed two businesses inside a larger, mainly derelict industrial unit. this afternoon, 25 firefighters remain at the scene and the fire service say they expect to be here for 48 hours. the cause is being investigated. the latest data from last year s census shows there s been a decline in the number of people who speak the welsh language, over the previous decade. the figure dropped from 19% to less than 18% of the population of wales. owain evans reports.