Chechens freeze as gas is cut off
at the end it gets interesting
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Heavy snow has exacerbated the region's problems, blocking roads, isolating entire villages and preventing emergency delivery of wood and diesel to mountainous areas.
Across the Black Sea, Turkey says it is introducing electricity rationing because of reduced supplies from Russia and Iran.
Iran says it reduced its exports because harsh weather had raised domestic consumption.
The North Caucasus pipeline explosions damaged not only energy supplies but also Georgia's fragile relationship with Russia, our Tbilisi correspondent reports.
Georgia's President Mikhail Saakashvili called the incident a pre-planned act of sabotage by the Kremlin.
Moscow said his statements were outrageous and hysterical and promised to repair the pipeline and supply additional gas via neighbouring Azerbaijan.
But five days on it still has not arrived, our correspondent reports.