He has policed student riots, football matches and state funerals, so a break was on the cards for a brave London police horse. But 17-year-old Chiswick has spent his retirement having serious surgery.
Vets noticed there was something wrong when the horse went right off his food and started losing weight rapidly.
Ria Chatterjee has his story.
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His car was about to get towed away. But he had other ideas.
41-year-old Latvian Arnis Zalkalns was last seen at home in Ealing on Wednesday, 3 September. He was reported missing two days later.
He fell 30 feet to the floor. But despite the drama, it appeared the show must go on.