The captain of a missing Malaysian jet is an engineering buff who assembled his own home flight simulator, while friends of the co-pilot have defended his reputation after one report portrayed him as a cockpit Casanova.
There are three pieces of evidence that aviation safety experts say make it clear the missing Malaysia Airlines jet was taken over by someone who was knowledgeable about how the plane worked. Mapping the world's best known hijacks
NATO said several of its websites were targeted in a "significant" cyber attack on Saturday that was claimed by Ukrainian hackers in what appeared to be the latest bout of virtual warfare linked to the country's crisis.
Crimeans decide on Sunday whether to break away from Ukraine and join Russia in a referendum that has infuriated Kiev and triggered the biggest crisis in East-West relations since the Cold War.
The Salvadoran castaway who says he survived more than a year at sea had a tearful meeting Saturday with the family of his shipmate who did not make it home.
Among those facing the greatest and most fraught uncertainty were Ukraine's military forces on the peninsula, who have been hemmed in by heavily armed Russian troops and warned by the region's pro-Russian leader that they would be considered "illegal" if they didn't surrender.
International Business Machines Corp has not relinquished its customers' data to the US government and would challenge any orders to do so, the company said in a blog post on Friday.