 On one occasion, in 1969, four students who were protesting against the war attempted to blow up the flagpole at Waitangi treaty grounds, the site of Waitangi Day celebrations.On 18 November 1982, a suicide bomb attack was made against a facility housing the main computer system of the New Zealand Police, Courts, Ministry of Transport and other law enforcement agencies, in Wanganui.The attacker, a "punk rock" anarchist named Neil Roberts, was the only person killed, and the computer system was undamaged.