Incredible footage shows the moment when firefighters pulled a horse out of a sinkhole after he became completely submerged underground.br br A team from West Yorkshire Fire Service came to the aid of 27-year-old Chestnut stallion Prince after he got stuck in the roughly 4ft (1.2m) deep pit on Saturday.br br The firefighters, assisted by vets and the horse’s owner, first used a digger to carve open a shallow trench close to where Prince was trapped, in Mirfield.