KAGHAN: Snowfall over high mountains in northern areas of Pakistan covered the region with white pearls of snow from sky in Kaghan Valley and other areas, ARY News reported on Saturday.<br /><br />The Naran highway leading to Gilgit has been closed for vehicular traffic as Babusar Top, Chilas, Deosai and Nanga Parbat received first spell of the winter snowfall.<br /><br />Rain with wind or thunderstorm is expected at isolated places in upper Khyber Pakhtunkhwa, northern Punjab, Islamabad, Gilgit Baltistan and Kashmir today, while hail storm is expected at a few places.