'Pinkie! Kittens! Run!' Sammy was the first ot hear the heavy thud of footsteps.

He recognised the threat at once and called a warning.

For a long time, life in the London park has been easy and peaceful for Sammy, Pinkie and their three kittens.

But all that is about to change - there is a purge on the growing number of stray cats and dogs in the city.

Sammy and Pinkie now face the urgent question of survival . . .