our correspondent duncan kennedy is at heathrow. well georges there is a combination of sleet and snow here at heathrow. it is freezing! it has taken until mid—january for the whole of the country to be affected by this weather and what's happening is as the weather front sweeping down through south—east, northern ireland, scotland, the midlands, here around london and heading to the east coast. but it is notjust snow coming in. there is a risk that some places can be flooded. scotland, where where the gorgeous meets the treacherous and the place where the snow laid its deepest blanket. winds piled up the drifts. creating scenery beyond post card perfect, but sending temperatures below zero. it was enough to do this to the m71; near glasgow. drivers spent hours crawling to their destinations. in northern ireland, the traffic moved, but on roads snowed and iced under bitter conditions. the gritters struggled to keep routes covered. it was the same in cumbria, where councils had to make multiple trips after the grit was blown or w