21.   U.S. Supreme Court standards prevent the execution of the insane.

22.   The ministry added, however, that UAE President Sheikh Zayed ibn Sultan al-Nahayan could ultimately prevent the execution of the sentence.

23.   Their report called on the government to take action to prevent summary execution, torture and arbitrary arrests carried out by security forces.

24.   Tutu again criticised Mandela and his government for not having done enough to prevent the executions.

25.   Mandela has been criticised by civil rights groups and Amnesty International for failing to do more to prevent the executions.

26.   Nzo said South African foreign ministry officials had been in contact with UNITA in a bid to prevent the executions.