ECB rules out ramping up its bond-buying program.

Global finance chiefs warn that debt crisis endangers world economy.

Global finance chiefs warn that debt crisis endangers world economy.

EU hints at larger role for bondholders in euro-zones bailout of Greece.

EU hints at larger role for bondholders in euro-zones bailout of Greece.

Ministers reject Geithners plea to increase size of rescue fund

Ministers reject Geithners plea to increase size of rescue fund

Meeting not seen producing agreement on backing for Greek rescue loans.