On the UN News website, find the top news story under 'Humanitarian Aid' for 2023. Provide its full title and summarize the main subject of the story based on its introductory paragraph.
Navigate to news.un.org. Click on the 'Topics' dropdown. Select 'Humanitarian Aid' from the dropdown options. On the 'Humanitarian Aid' topic page, locate the 'Date' filter section and click the '2023' checkbox. Identify the title of the first news story displayed. Read the introductory text of this story and summarize its main subject.
Successfully navigate to the 'Humanitarian Aid' topic page filtered by '2023'. Identify the title of the first news story listed as: 'Gaza: UN calls for urgent aid scale-up amid new mass exodus to Rafah'. Provide a summary of the story's main subject, stating that it discusses the urgent need for increased humanitarian aid in Gaza due to a mass exodus of displaced people to Rafah, worsening already dire conditions.