Banksy has confirmed he is behind a new swimming fish artwork which has appeared on a police sentry box in the City of London.It marks the seventh animal-themed piece the elusive street artist has claimed this week by posting a photo of the artworks to his Instagram at 1pm.The artist appears to have used translucent spray paint on the glass windows to create the design, turning the sentry box into what looks like a giant fish tank.The artist posted an uncaptioned image of the new piece on Instag

Banksy has confirmed he is behind a new swimming fish artwork which has appeared on a police sentry box in the City of London.It marks the seventh animal-themed piece the elusive street artist has claimed this week by posting a photo of the artworks to his Instagram at 1pm.The artist appears to have used translucent spray paint on the glass windows to create the design, turning the sentry box into what looks like a giant fish tank.The artist posted an uncaptioned image of the new piece on Instagram which sees a police officer taking a photo of the artwork.