RT News - March 12, 2015 (17:00 MSK)

The U.S. city of Ferguson is again on edge - after a peaceful rally against police brutality turns violent, leaving two officers seriously injured. Diplomatic blackmail, from Europe to Australia - we look at how 'threatening to unleash a flood of immigrants' has become a new political weapon of choice to settle disputes. European lawmakers call for an international investigation into the murder of Russian opposition figure Boris Nemtsov. As peace talks between Libya's government and rival rebel factions fail to get underway as planned, we report on how the man who was once the country's second-most powerful figure, is stuck in legal limbo.