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.
More top news
Amnesty International say up to 100 000 people turned out for the Women's March on London anti Trump protest
A man in his 20s is dead and a 17 year girl has hand injuries after a stabbing in Tooting
Roads were closed in Barnet after a water main burst on Graham Park Way causing flooding and low water pressure.