EU

Ukrainian pilot and national hero Nadiya Savchenko had been held by Russia for almost two years. Russia had sentenced her to 22 years in prison for murder — she called it a propaganda stunt.

It's the latest case against big U.S. companies by European regulators, who have also targeted Apple, Starbucks, Amazon and Intel.

This is part of the EU's controversial deal with Turkey. The agreement, aimed at stemming the flow of migrants into the EU, has been widely criticized by rights groups.

The Greek coast guard reported a sharp drop in the number of migrants crossing between Turkey and Greek Islands on Thursday. Officials believe that bad weather and new restrictions both played a part.

The European Union and Turkey have reached agreement on a plan aimed at stemming the massive flow of people into Europe. It likely will impact the fates of tens of thousands of migrants and refugees.

The closures by Macedonia, Slovenia and other countries have effectively cut off the main migrant route to northern Europe. That's drawing criticism from rights advocates and Germany's Angela Merkel.

A summit in Brussels has ended with participants saying they are closer to an agreement. The EU has been seeking more help from Turkey to cut the flow of migrants. Turkey wants EU membership and cash.

Britain's Prime Minister David Cameron is calling for a historic nationwide referendum on whether the UK will stay in the European Union. He says new concessions from the EU mean Britain should stay.

Cameron had been seeking concessions for his country so that he can encourage Britons to vote for continued EU membership in a referendum expected in the coming months.

The ruling could force each company to pay millions in back taxes.