Boki, a brown bear at Wildwood Trust, near Canterbury, Kent, went under the knife on Wednesday after an MRI scan revealed he had hydrocephalus, a build-up of fluid in the brain. The surgery is the first of its kind in the UK.

Boki, a brown bear at Wildwood Trust, near Canterbury, Kent, went under the knife on Wednesday after an MRI scan revealed he had hydrocephalus, a build-up of fluid in the brain. The surgery is the first of its kind in the UK.