Pressure on Greece ahead of G20

The Greek prime minister faces increasing international pressure as financial crisis talks start on the eve of the G20 summit.

George Papandreou's surprise decision to call a referendum on the eurozone rescue plan agreed last week has continued to unsettle the markets.
French President Nicolas Sarkozy and German Chancellor Angela Merkel are set to start talks shortly ahead of a meeting later with Mr Papandreou.
Leaders heading for France urged the eurozone to put its house in order.
The two-day meeting in Cannes of government heads from the Group of 20 major world economies formally starts on Thursday.