2020 Land Rover Range Rover Evoque electrical system problems

A fire started under the hood roughly 15 minutes after we drove it and parked it. Smoke could be seen 1st, then the fire. Not sure what starter the fire. The vehicle was parked 3 ft from my house, which could’ve caught my house on fire, luckily it wasn’t parked in my garage. The incident has not been yet reproduced or confirmed by an independent service center, manufacturer, police, insurance representatives or others. There not any warning lamps, messages or other symptoms of the problem prior to the failure

The contact owns a 2020 Land Rover Range Rover Evoque. The contact stated that there was unknown fluid leaking from the vehicle. There was an unknown amber warning light illuminated. The contact added water to the radiator and the warning light temporarily turned off but illuminated again. The vehicle was taken to the local dealer, where it was diagnosed that the rear emission battery needed to be replaced. The mechanic noticed a leak inside the vehicle that was flowing onto the onboard computer of the vehicle.