An Olympic volleyball court has been taken over by squirrels.

The crafty critters have chosen the courts in London's Horse Guards Parade as a place to hide their nuts after gathering them from the nearby St. James' Park.

Some of the Olympic volleyball teams discovered the animals when they were getting in some last-minute practice ahead of the London Games.

The squirrels have forced Olympic organisers to draft in a group to rake the sands of the volleyball court each morning to ensure there are no acorns hidden underneath.