CANADA Shooting -- 1 gunman dead after soldier shot at National War Memorial

1 shooter dead, 1 still believed at large in downtown Ottawa. Police searching cars leaving Ottawa trying to go to Quebec. Report of additional shot fired near Chateau Laurier hotel, east of Parliament Hill. Police going door to door in downtown core; downtown schools in lockdown. All three main party leaders, Harper, Mulcair and Trudeau, reported safe.