Lahaul and Spiti, Nov. 13 -- Authorities in Himachal Pradesh's Lahaul and Spiti district have closed several high-altitude roads to vehicular traffic following continuous snowfall since Thursday night, citing unsafe road conditions at Shinkula Pass, Baralacha Pass, Kunzum Top and other higher reaches.

According to a public advisory issued by Lahaul and Spiti Police, all vehicles heading towards Shinkula Top and Baralacha Top have been stopped at Darcha Police Post.

Similarly, vehicular movement towards Kunzum Top has been stopped at Losar Check Post, while the road from Gramphoo towards Chhatru and Kunzum Top has also been closed.

The police said that in emergency situations, only 4x4 vehicles fitted with proper snow chains may be allo...