rhinoceros

There are "heavily armed gladiators riding a charging rhinoceros" and "wounded men tumbling from boats into the jaws of ravenous sharks" during the nautical battle staged in the flooded pit of the Colosseum.

The subsequent report said: "Rhinoceros were over stocked, they had insufficient grazing and individuals were often confined inside or outside for excessive periods."

Other productions announced include 1536, set in Tudor England, and Rhinoceros, about a new disease which threatens humanity.

It was the ninth Banksy to appear in as many days in London and follows images of a goat, elephants, monkeys, a wolf, pelicans, a cat, piranhas and a rhinoceros.

His latest work follows images that have popped up each morning since 5 August across London of a goat, elephants, monkeys, a wolf, pelicans, a cat, piranhas and a rhinoceros.