EU leaders change Lisbon Treaty in bid to calm markets

EU leaders today changed a treaty in a dramatic move to calm financial markets and restore the credibility of the single currency.

The "limited" revision of the Lisbon Treaty - 10 years in the making and intended to last unchanged for decades - will be confirmed on the second day of an EU summit grappling with the fallout from months of stop-gap measures to shore up ailing economies in the eurozone.