US authorities arrest two men in California for hacking email accounts and stealing nude photos to post on a so-called "revenge porn" website.

Protests in Ukraine have spread beyond the capital, Kiev, as President Viktor Yanukovych held crisis talks with three key opposition leaders.

Davos 2014: The BBC's Robert Peston talks to US Treasury Secretary, Jack Lew, about China, Iran, and whether the global economic recovery is real or a false dawn.

South Africa's government orders sculptors to remove a bronze rabbit they hid in the ear of the statue of Nelson Mandela unveiled after his death, a spokesman tells the BBC.

North Korea sends a letter to Seoul urging reconciliation, a move likely to be greeted with extreme caution ahead of joint South Korea-US military drills.

Samsung Electronics, the world's biggest maker of mobile phones and TVs, reports a drop in quarterly profit for the time in two years.

The first full day of talks between the Syrian government and rebels is due to begin in Geneva, but the two sides may not meet face-to-face.

A large car bomb explodes in the Egyptian capital Cairo near the city's police headquarters, killing four people and wounding 51, the health ministry says.