RT News - March 7, 2015 (12:00 MSK)

The U.S. and Russian ambassadors lock horns at the UN over the Ukraine crisis. Despite a truce holding, the American envoy accuses Moscow of violating the peace deal; Political parties in Denmark call for controversial cartoons of the Prophet Mohammed to be part of the school curriculum; Bitcoin steals the show in Berlin where a conference dedicated to digital currency looks at how crypto money could benefit in a time of financial uncertainty.