• Nigeria gunmen kidnap more than 300 schoolgirls
• Former king pays 4.4 million euros to Spanish tax agency
• US air strikes in Syria target Iranian-backed militia
• Top Putin critic, Alexei Navalny, sent to Russian penal colony
• Boeing 777 makes emergency landing in Moscow after engine sensor problem
• Georgians take to the streets to protest at opposition leader's detention
• Woman who joined Islamic State cannot return to UK to fight for citizenship
• Australia passes law to make Google, Facebook pay for news
• German police raid 27 sites in probe of far-right crime network
• The world’s biggest diesel engine plant is about to go electric
• Twitter to test subscription feature allowing users to charge followers for exclusive content
• Orbital Assembly Corporation plans to start building private Voyager space station in 2025
• Cryptocurrency exchange Coinbase files to go public in a direct listing on Nasdaq
