Environment minister on reasons for Lough Neagh sand enforcement letters

My full interview with the Environment minister Mark H Durkan earlier around the reasons he issued enforcement notices against 5 companies dredging sand from Lough Neagh - a Special Protection Area. The work did not have planning permission even thought it had been going on since the 1930s. More details here http://www.bbc.co.uk/news/uk-northern-ireland-32907865