From www.wdwinfo.com

Accident on Big Thunder Mountain at Disneyland Paris
Oct 28, 2011

Disneyland Paris' Big Thunder Mountain attraction has its second accident in only six months. According to French newspaper The Connexion, two guests were injured when the front two train cars came off the tracks. 31 other guests were evacuated and the attraction has been closed for investigation. In April, a guest was hit in the head by a piece of the attraction's scenery and sustained serious head injuries. The ride was then closed for almost a month.