A 1938 comic featuring the debut of Superman that was discovered in the wall of an abandoned home could set a new auction record, a dealer says.

China and Switzerland sign a memorandum of understanding on a free-trade agreement, the first such deal for China with a major Western economy.

Portuguese author and journalist Miguel Sousa Tavares is being investigated for calling President Anibal Cavaco Silva "a clown" in an interview.

Chilean authorities fine the world's largest gold mining company, Barrick Gold Corp, more than $16m for environmental offences at an Andean mine.

The office of Sheriff Joe Arpaio of Maricopa County, Arizona, improperly targeted Hispanics in patrols for undocumented immigrants, a judge finds.

Syria's main opposition coalition says it is willing to attend an peace conference next month only if President Bashar al-Assad agrees to step down.

France is set to begin the first major stage of its military withdrawal from Mali, four months after sending troops to push Islamist rebels out the north.

At least 17 children have been burned to death after a gas cylinder exploded on their school bus in Pakistan, police say.