As per Guido Fawkes:
"‘I went to stroke him and he started biting me… If you have a dog that turns, you just cannot risk it. So I took Kim’s collar – a short of choker chain – and pulled it tight. Suddenly he went limp. I was devoted to Kim, but he’d obviously had some sort of mental breakdown.’"Politicians getup to all sorts of shenanigans that produce some very lurid headlines. However, Heseltine strangling his mum's dog is really jumping the shark!