'Some sort of pattern': PM Trudeau on 4 aerial objects downed over North America

Prime Minister Justin Trudeau says there is clearly a pattern with four aerial objects shot down over Canada and the United States in the last 10 days, but there is still much to learn from the debris recovery and analysis. "I think obviously there is some sort of pattern in there. The fact that we are seeing this in a significant degree over the past week is a cause for interest and close attention, which is exactly what we're doing," Trudeau said during a media availability in Whitehorse about