An airstrike carried out by Saudi Arabia on Southern Yemen killed 23 people on Saturday as Houthis propose truce until the end of the holy month of Ramadan.Saudi warplanes bombed Saqayn region, near Saada province as well as the capital Sanaa, targeting the Yemeni defense headquarters, witnesses said. The Saudi - US aggression is carried out while Ansarullah group said on Saturday that negotiations with the U. N. were taking place regarding an offered pause in fighting until the end of the Muslim holy month of Ramadan. In a Facebook post, Houthi spokesman Mohammed Abdul Salam said that he had met UN special envoy to Yemen Ismail Ould Cheikh Ahmed on Friday to discuss the issue. Thousands of innocent people have been killed since the Saudi regime started its airstrikes on Yemen. The UN says more than 21 million people, which is over 80 percent of the country’s population are in dire need of humanitarian aid. The UN on Wednesday has declaredYemen as having the highest - level emergency, the most severe category, as the crisis in the country escalates.