Europe: "Snow Blocks in Tens of Thousands as Cold Death Toll Rises"
"Snow drifts reaching up to rooftops kept tens of thousands of villagers prisoners in their own homes Saturday as the death toll from Europe's big freeze rose past 550.
More heavy snow fell on the Balkans and in Italy, while the Danube river, already closed to shipping for hundreds of kilometres (miles) because of thick ice, froze over in Bulgaria for the first time in 27 years.