Firefighters from Ely, Sutton and Chatteris were called to help rescue a horse from a river in Sutton Gault.
A rescue vehicle from Huntingdon was also called to the scene, near The Causeway, at about 4.30pm, on Sunday.
A skewbald horse was stuck in a water drain. A vet was called to sedate the animal and the fire service deployed an in-water team to rescue it by 6.22pm.
Crews returned to their stations by 7.15pm.
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