The Canadian Prime Minister Justin Trudeau says there is evidence that the Ukrainian Airlines plane that crashed near Tehran airport was hit by an Iranian surface to air missile.
And The New York Times has now published video that appears to show a missile hitting the plane shortly after it takeoff - all 176 people on board died.
Our Washington Correspondent Simon Marks reports.
IN: NATSOT
OUT: "…in Iraq"
DUR: 54 seconds