In a rare move, United Nations Secretary-General António Guterres has urged the UN Security Council to take action to avert a humanitarian catastrophe in the Gaza Strip. In a letter to the Security Council on Wednesday, the UN chief invoked Article 99 of the UN Charter for the first time since taking office in 2017. The massive loss of life in the Gaza Strip and in Israel within a comparatively short period of time spurred Guterres’s decision to invoke Article 99, according to the UN. This allows the secretary general to draw the attention of the Security Council to “any matter which, in his o…