- Ottawa shooting called 'tragic' by Obama, world leaders
- Ottawa Parliament shooting: We've known this day was coming
- Ebola outbreak: 2 U.S. states order mandatory quarantine for returning health workers
- Washington school shooting: 2 dead, including lone gunman
- Oscar Pistorius sentenced to 5 years in prison for girlfriend's death
- Indiana suspect Darren Vann charged in 1 death after 7 bodies found
- Jaylen Fryberg was confronted by 1st-year teacher during Washington school shooting
- Canadian fighter jets intercept Russian military planes
- Should the West stop intervening in the Middle East?
- Why the ISIS mission is Obama's real 'red line'