Bengaluru: A fire broke out at a two-wheeler showroom in TC Palya near KR Pura Wednesday night, gutting 20 vehicles. Fire and emergency services officials suspect the blaze was caused by a short circuit. No casualties were reported.Police said the incident occurred between 10.30pm and 10.45pm at a Honda two-wheeler showroom, which had closed for the day.Passersby noticed smoke from the two-storey building and alerted fire and emergency services. Firefighters rushed to the spot and a water tanker was pressed into service to douse the flames.Showroom owner Praveen said 11 new bikes and scooters, along with nine customer vehicles left for servicing, were gutted. Furniture and other items inside the showroom were also destroyed.