The General Assembly adopted Resolution 186 (S-2) on 14 May 1948. This affirmed its support for the efforts of the Security Council to secure a truce in Palestine, and it decided to appoint a UN Mediator. Bernadotte was appointed was sent to Palestine. On 22 May 1948, the Security Council adopted Resolution 49 (1948), calling for an abstention from any hostile military action in Palestine. The resolution also called upon the parties to facilitate the task of the UN Mediator. On 22 May 1948, Thomas C. Wasson, the US Consul and a member of the UN Truce Commission, was assassinated in Jerusalem.