BERLIN (AFP) - Germany said on Friday that the result of a looming referendum in the Ukrainian region of Crimea, which the West fears will lead to its annexation by Russia, will be "irrelevant".
Yoko Ono at the Guggenheim, US Airways mishap, protests in Caracas. These and more images from around the world.
BOSTON (Reuters) - Even as the police prepare for a massive presence at Boston's first marathon since the 2013 bombing attack that killed three people and injured 264, officials acknowledge the sheer scale of the event poses inevitable security risks.
MOSCOW (AFP) - Russia said on Friday it reserved the right to protect its compatriots in the whole of Ukraine, after a protester was killed in fresh clashes in the east of the country.
MOSCOW (Reuters) - Russia's navy said on Friday fighter jets had started training exercises over the Mediterranean Sea, an announcement that is likely to raise tensions in the stand-off with Ukraine over the future of Crimea.