As is so often the case, someone in China can trump this vile behaviour.

Chinese teacher sentenced to death for poisoning nursery children - BBC News

A Chinese court has sentenced a nursery teacher to death for poisoning 25 children, one of whom died.

Wang Yun was arrested last year after children at a kindergarten in Jiaozuo city were rushed to hospital after eating their morning porridge.

The court said she put sodium nitrite in the breakfast of her colleague's students for revenge after a fallout.

It described Ms Wang as "despicable and vicious"