Russia has detained 25 Ukrainians it suspected of preparing attacks in the southern and central part of the country, hours after it was accused by the former soviet member of contributing to the killing of anti-government protesters in Kiev.
Turkey's telecoms authority has lifted a two-week-old ban on Twitter after the constitutional court ruled the block breached freedom of expression, an official in Prime Minister Tayyip Erdogan's office said.
Ukraine's ousted president has admitted he was "wrong" in inviting Russian troops into Crimea and vowed to try to persuade Russia to return the coveted Black Sea peninsula.
The killings of Ukrainian protesters during February's anti-government demonstrations took place "under the direct leadership" of ousted President Viktor Yanukovich, security chiefs have said.
Turkey's highest court has ruled that the government's block on online messaging service Twitter violates freedom of expression and individual rights.
NATO has said it will suspend "all practical civilian and military cooperation" with Russia because of Moscow's occupation and annexation of Ukraine's Crimea region.
French President Francois Hollande has approved a new cabinet just days after the ruling Socialist Party suffered losses in local polls.
President Francois Hollande has appointed a new prime minister, a day after his Socialist party suffered heavy losses in nationwide municipal elections.
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