Who Crushed The Panda?

The Chief Panda, a master chef, finds himself crushed in his kitchen by a huge branch which has been deliberately cut. Impossible for him to open his restaurant. Who could have done such a thing? Mr. Hippo? Raccoon? During this investigation in the world of haute cuisine, Sherlock claims to be able to resist his hunger thanks to his training as a Shaolin yak. Is this really the case?