A fire broke out after two gas cylinders exploded inside a tent at the Maha Kumbh venue in Uttar Pradesh's Prayagraj, the police said. The fire spread to several tents, burning them to the ground. There were no reports of injuries, the police said. Fire trucks already parked at the venue as part of the safety arrangement at the massive Maha Kumbh rushed to the affected area and doused the blaze, officials said. People living in surrounding tents were evacuated for safety.