As many as 81 tourists stranded in Himachal Pradesh's Spiti Valley due to closure of roads after heavy snowfall have been shifted to safer places, police said on March 4. The Defence Geoinformatics Research Establishment, Chandigarh has issued an avalanche warning for five districts of Chamba, Lahaul and Spiti, Kullu, Kinnaur and Shimla in Himachal Pradesh on Monday. Meanwhile, over …