The whole UN structure is unfair, immoral and based on the rule of power not the rule of law. WWII was a long time ago and too long to permanently declare these 5 nations as permanent leaders of the world security. The remaining members hardly qualify as bonafide nations and therefore have no right to make laws and declarations based on their dictators whims.
Yemen's Houthi rebels commit to peace plan in letter to UN chief, BBC reports (Haaretz)
from the article: UN Security Council permanent members back nuclear-free Mideast