Why some Londoners are now caring for the 'rats of the sky'

Ever wondered why some pigeons have missing feet?

It’s not from the cold or bird brawls, rather it's often caused by human hair, threads and string wrapping around their toes and feet - growing tighter - until the limb falls off.

It's called string foot, and here in London, there's a volunteer group that goes around and treats those pigeons.

BBC Radio London's Aaron Paul and Gem O'Reilly have been finding out about the London Pigeon Stringfoot & Rescue team.

(Image credit: Getty Images)