 In another case, a man named Rayed Mohammed Abdullah Ali was deported from New Zealand after being linked to the hijacker of American Airlines Flight 77 which hit the Pentagon on 11 September 2001.In response to the Christchurch terrorist attacks of 15 March 2019, the country's threat level was temporarily raised from "low" to "high" and was later lowered to "medium" on 17 April 2019.Most attacks, or attempted acts, of terrorism in New Zealand have been bombings as a form of protest.