Battersea Dogs and Cats Home welcomed a visit from David Cameron today as he went to meet its 1000th volunteer.
But he failed to impress Bertie the terrier puppy, who wouldn't sit still for the cameras.
Elodie Harper was there:
More top news
The installation is the first in London by acclaimed British underwater sculptor Jason deCaires Taylor, part of the Thames festival.
Services through Kempton Park were suspended over the weekend due to an "obstruction on the line".
A leading sexual health clinic has apologised after mistakenly sharing the HIV positive status of hundreds of patients in an email.