In the largest ever commission of its kind, Mark Wallinger today unveils Labyrinth, 270 unique works, one for each of the 270 stations on the London Underground network.
The commission, from Art on the Underground, is one of the highlights of a series of special events and commissions in 2013 to celebrate the 150th anniversary of the London Underground
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The one-year-old Yorkshire Terrier was attacked and killed while being taken for a walk.
The lifeboat crew carried the pair into their boat and dropped them off back at Tower Bridge as people watched from the riverside.
The huge painting took two graffiti artists thousands of hours to complete in east London.