please read the horseandhound link below
horse on large video at end

Boris performing today for Oundle's Rembrance Day Parade. He is a 17 year old French Percheron. Bred, and riden today, by Alison he served in the Met Police for 12 years and retired this summer. He was Police Horse Putney during his career. A legend by all accounts from those who served as his partner over the years....one of the best. 

Google met police horse putney, there are loads of interesting links. Try this one! https://www.horseandhound.co.uk/news/he-wont-go-anywhere-now-former-police-horse-reunited-with-owner-who-bottle-fed-him-as-a-foal-868070