Derbyshire Constabulary says the structural integrity of Whaley Bridge dam is "still at a critical level". In a press conference, Assistant Chief Constable Kem Mehmet stressed that there is a "substantial threat to life" if the wall gives way. Report by Swinnertonl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
