Canada's Sergeant-at-Arms Kevin Vickers has been hailed a hero after MPs credited him with shooting a suspect during the attack on Ottawa's parliament.
As Sergeant-at-Arms, Vickers is responsible for the safety and security of the parliament buildings.
A former officer with the Royal Canadian Mounted Police, Vickers had a long career in security before his parliamentary role.
As the events in Ottawa unfolded, many Canadian MPs credited Vickers with saving people's lives:
Vickers' brother, John Vickers tweeted after the reports that he was "emotional":