Battersea Dogs and Cats Home is today celebrating after recruiting its 1000th volunteer. The Prime Minister praised the "fantastic" work of volunteers at the charity as he was given a tour of the site.
Elodie Harper reports:
More top news
The mayor was being challenged by Labour following his selection as the Tory candidate for the safe seat of Uxbridge and South Ruislip.
Puffin was found hobbling around a housing estate with his fur full of rubbish and faeces.
Overcrowding at Kings Cross also forced staff to evacuate the station with 14,000 passengers caught up in the chaos.