Under its special demolition drive the Lakes and Waterways Development Authority today demolished a big structure (residential house) at Brein Nishat which was being illegally constructed by a violator namely under the garb of prevailing situation.The authorities have warned the residents living in the LDA jurisdiction not to indulge in illegal construction activities or dumping the construction material in the restricted areas without permission. The LAWDA will continue with demolition of illegal construction in these areas.