At the end of 2012 there were more than 4, 500 Palestinians being held in Israeli prisons, with 178 placed in administrative detention - a controversial practice whereby people can be held without charge or trial.

BBC: Funeral held for Palestinian shot by Israeli soldiers

But the Vatican Gendarmes insist that the conditions under which Gabriele will be held fully respect the Geneva Convention on torture and "conform to the detention standards applicable to other countries in analogous circumstances".

BBC: Magazine

Control orders were introduced in March 2005, after the law lords had held the indefinite detention of suspected terrorists to be incompatible with their human rights.

ECONOMIST: Liberty v security