Man and car on road covered in toxic mud
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Hungary battles to stop toxic mud reaching River Danube

6 October 2010 Last updated at 06:55 BST

Hungary says it will cost tens of millions of dollars and take at least a year to clean up the damage caused by a spill of industrial toxic red sludge.

Emergency workers are trying to stop the spill, from an alumina plant, from flowing into major waterways, including the River Danube

A state of emergency has been declared in three western counties after the chemical waste burst from a reservoir.

Nick Thorpe reports.