Todays news report that “hundreds ” of people (including five HRTC buses , 30 civilian vehicles and an army convoy) were forced to spend the night in subzero temperatures , waiting for the road to be cleared from yesterdays snow fall. Two feet of snow put a stop to the traffic on both sides of the pass. Full story here
Update : on the 21st the Karmapa and his retinue were evacuated by helicopters from the Baracha La pass after 48 hrs, and air drops of food and blankets were made both there and at the Kunzum La while the BRO struggled to reach and clear the high passes.