Does this art cross the line?
A Brazilian artist has by unveiling a series of drawings in which he depicts himself assassinating nine world leaders.
Amongst his "victims" are the Pope, George W Bush, the Queen and the Brazilian president Lula da Silva.
The sketches have been exposed at the . The artist, started drawing the series in 2005. Among them is a sketch of Bush, kneeling down with his hands fastened behind his back and the artist thrusting a pistol towards his head.
Brazilian President, Luiz Inacio Lula da Silva, is also depicted being executed as he sits tied to a chair - the artist running a big knife across his throat.
Vicente said he came up with the provocative idea because of his "disappointment" with leaders whom he saw as inflicting wrongs on the world with impunity.
>"Because they kill so many other people, it would be a favour to kill them, understand? Why don't people in power and in the elite die?" he asked.
The sketches have attracted a lot of criticism. , alleging that they encourage violent crime and that "there have to be limits to exhibiting it publicly".
Biennal organisers remain adamant that Gil Vicente's work remains, as they assert that freedom of expression is fundamental to their institution.
We'll be looking at the issue on World Update this week.
