Israel's very existence is only legitimate because of the UN. Don’t be so quick to condemn the UN. The only legal basis for the existence of Israel as a state is that the UN recognized it in the 1940's. Quite literally, with no UN there would be no Israel.
Yemen's Houthi rebels commit to peace plan in letter to UN chief, BBC reports (Haaretz)
from the article: Netanyahu to address UN on day Palestinians submit statehood bid