Man loses hand at a Russian zoo : https://www.ecr.co.za/shows/east-coast-breakfast/video-man-loses-hand-after-petting-bear/
Yes indeed, though its a reminder of why there are often double sets of wire/bars at many of the predator enclosures at zoos. People are all to used to the idea that animals in enclosures are safe and that the cage is only there to keep them contained; even many safe animals can be dangerous if you can't read the warning signs or just happen to be a different person .