The US and Russian leaders call for an immediate end to violence in Syria, at their first meeting since Vladimir Putin became president again.

A Nato soldier in eastern Afghanistan has been shot dead by three men in Afghan police uniform, officials say.

Legendary US baseball pitcher Roger Clemens is cleared of lying to Congress over the use of performance-enhancing drugs as a fast-ball pitcher.

The retired police general who was in charge of security for former Colombian President Uribe denies he was involved in drug trafficking.

Microsoft has shown off its own-brand family of tablets dubbed Surface which will help it challenge Apple's dominant iPad.

The US warns an Iranian dissident group it must leave a camp in Iraq, if it hopes to be removed from a US list of terrorist groups.

World leaders meeting at a G20 summit in Mexico urge Europe to take all necessary measures to overcome the eurozone debt crisis.

The Brics economies say they will increase their contribution to the International Monetary Fund.