And, also, keep the hands on the "burn the city down" button, make sure there's plenty of tinder available in case there is an elaborate trick going on. But only light the tinder at the last minute and keep the fire patrols on watch in case of accidents.
Because, of course, the Damascan council long ago decreed that "Large fires that are started by accident will be put out" and it falls on the Priests of Ius to take care of it if there is a problem. But, paranoia from everyone.