Because of this incident , Gibson was expelled from Goldsmiths College on 21 December 1987 , where he was studying post-graduate art , design and technology .
On Thursday , 3 December 1987 , the sculpture was seized by the Metropolitan Police .
Incident , Gibson was expelled from Goldsmiths College on 21 December 1987 , where he was studying post-graduate art , design and technology .
On Thursday , 3 December 1987 , the sculpture was seized by the Metropolitan Police .