Firefighter Phil McFarlane said watching the cat owners visit the cattery to see if their cat survived "has been difficult".
He added that they were working with the cattery owners to find how many cats were killed in the blaze.
More top news
A man whose partner killed himself after coming out to his mother, is completing a 130 mile charity walk from London to Birmingham today.
Amanda Houston has the latest weather forecast for the East and West Midlands.
It will be a cloudy evening with patchy rain at first, with most places becoming dry overnight. Turning wetter tomorrow.