The revelations included an anonymous Foreign Office source stating that the decision to unseat President Sukarno was made by Prime Minister Harold Macmillan and then executed under Prime Minister Harold Wilson. According to the exposés, the UK had already become alarmed with the announcement of the "Konfrontasi" policy. It has been claimed that a Central Intelligence Agency memorandum of 1962 indicated that Macmillan and US President John F. Kennedy were increasingly alarmed by the possibility of the Confrontation with Malaysia spreading, and agreed to "liquidate President Sukarno, depending on the situation and available opportunities".