Details are limited, but the Internet is full of images and video of the incident which took place at the IAT display and destroyed a futuristic hatchback concept.​​ Investigations are on but the focus will perhaps be on the car, unless the construction workers were using open fire at the venue.

from Times of India https://timesofindia.indiatimes.com/auto/electric-cars/chinese-electric-car-goes-up-in-flames-on-guangzhou-auto-show-floor/articleshow/96735689.cms