He's being hailed a National hero.<br/> <br />...A full minute of applause for Sergeant-at-Arms Kevin Vickers as Canadian parliament resumes.<br/> <br />Just 24 hours earlier Vickers reportedly shot and killed the gunman who broke into Ottawa's main parliament building, firing more than 30 shots in the halls.<br/> <br />Prime Minister Stephen Harper told lawmakers that Canada would stand firm.<br/> <br />(SOUNDBITE) (English) CANADIAN PRIME MINISTER STEPHEN HARPER SAYING:<br/> <br />"We will be vigilant, but we will not run scared. We will be prudent, but we will not panic."<br/> <br />But the events have shaken the normally tranquil capital city.<br/> <br />Police are on edge. One man was arrested as Harper was laying a wreath in memory of Nathan Cirillo, the soldier who was fatally shot earlier in the day.<br/> <br />Harper has vowed to redouble the country's fight against extremist violence... but Canadians are now dealing with the reality that they are not immune.
