Police and protesters face off in Ottawa, as officers pushback against disruptive occupiers and make dozens of arrests. A look at how demonstrators are clashing with authorities and the strategy behind the stand-off. Plus, the alarming evacuation orders in Ukraine, as Russian-backed separatists tell civilians to flee. Why they're fuelling fears of an imminent Russian invasion sparked by false pretexts. And a view on the situation in neighbouring Poland, as it braces for a rush of refugees. Also, Canada's medal count continues to climb as the Winter Olympics in Beijing head into their final weekend.