Stoically going about his duty at the very seat of his country's democracy:
http://www.bbc.co.uk/news/world-us-canada-29746466
Had such an event occurred at our Houses of Parliament I've no doubt he'd have been suspended for many months pending an inquiry, during which consideration would have possibly been given to charging him with illegally discharging a firearm and endangering life whilst carrying out his duties or some such other.
In Canada, he gets a hero's welcome. Here there would have been various human rights groups et al asking why he was armed.