According to French publication Le Tarn Libre, two branches unexpectedly fell from a large tree in Lavore, in the area where the event was held. Knight died and four other people were injured as a result.
Knight starred in the crime comedy series City of Blood, had his own shows Reservoir Dogs and The Englishman, and was also a professional dog trainer.
According to a relative of the artist, shortly before his death he finished paying off the mortgage on his house and was planning a big tour of England.