UPDATED: A horse is trapped in a ditch near Carisbrooke.
Hampshire and Isle of Wight Fire and Rescue Service has been called to an area off Whitcombe Road.
Animal rescue teams from Newport and Ryde are in attendance.
A spokesperson for the fire service said a 23-year-old mare has become trapped.
*UPDATED 1.30PM
*The Hampshire and Isle of Wight Fire and Rescue Service has said that the horse has been rescued and left in the hands of the owner and a vet.