US President Barack Obama has urged Russia to "move back its troops" on Ukraine's border and lower tensions. Russia is believed to have massed a force of several thousand troops close to Ukraine's eastern frontier. Mr Obama told CBS News it may "be an effort to intimidate Ukraine, or it may be that (Russia has) additional plans."
BBC: Obama, ‘Russia must pull back troops from Ukraine border’
US President Barack Obama delivers a speech at the Palais des Beaux-Arts (Palace of Fine Arts - BOZAR) in Brussels on March 26, 2014. Obama said Russia stood \"alone\" on the Ukraine crisis as he paid his first ever visit to European Union.
