9.3 - you may use only "as much force as is necessary to prevent the continuation of the offense". Used to be Section 25 of the Canadian Criminal Code.
: Thus, if deadly force is being used against you, you may use deadly force to stop or prevent it.
: Marrakai - isn't cold here as we're only 1/2 way up the Province - there's another 500 miles of roads North of us. It's cold up there, though. I've been moose hunting at minus 56C. That was a mite chilly. One must dress for the weather. When it gets hot enough that you don't need a light jacket or sweater, it's too hot. Anything over about 18C (about 65F) is too warm.