Sergeant-at-Arms Kevin Vickers receives Standing Ovation in House of Commons

It was the first time in his 30-year career that Kevin Vickers ever had to use his weapon.  He shot and killed Michael Zehaf-Bibeau, a Muslim convert.  Zehaf-Bibeau was the son of a leading Canadian immigration official.  Before Vickers stopped him, the gunman managed to shoot and kill Corporal Nathan Cirillo, a 24-year-old father standing guard at Ottawa's War Memorial.  He also injured another officer.  

A tourist captured the last photo ever taken of Corporal Nathan Cirillo alive, pictured below on the left.  After he was shot by Zehaf-Bibeau, bystanders tried desperately to save him by performing CPR.  

See Also:

Nathan Cirillo's Dogs Wait for him to Return Home after he was Shot Dead.

Michael Zehaf-Bibeau who shot Dead Canadian Soldier is the "privately educated son of country's immigration chief, had his passport revoked and had links to Syrian Terrorist."