There are definitely places in a theater, out of the view of spectators, but likely fire hazards, e.g. the projection room.
Most building fires cannot be seen until it is too late. Smoke is an early indicator of a fire, but it cannot be seen in a pitch dark room.
And even in perfect conditions to determine if there is a fire or not, the audience may not be capable to judge if there is one or not, e.g. children.
There are definitely places in a theater, out of the view of spectators, but likely fire hazards, e.g. the projection room.
Most building fires cannot be seen until it is too late. Smoke is an early indicator of a fire, but it cannot be seen in a pitch dark room.
And even in perfect conditions to determine if there is a fire or not, the audience may not be capable to judge if there is one or not, e.g. children.