A FIRE alarm caused the evacuation of a floor at a Mildura hotel on Friday afternoon.

Fire Rescue Victoria crews were called to the Quest Mildura Apartment Hotel shortly after 3.30pm when the alarm was activated in one of the rooms.

Senior station officer Corey Woodyatt said there was no fire damage from the "obviously accidental" incident, caused when a polystyrene box on a cooktop ignited, bu...