that Saudi Arabia would contribute $500 million to the U.N. humanitarian response plan for Yemen in 2020 and another $25 million to help combat the spread of the coronavirus. On 27 May, Houthi fighters launched two ballistic missiles on the Saudi backed forces of the Hadi government in Marib province. One missile targeted an army headquarters and another a military camp. The attack left 7 officers dead, including the Chief of Staff, Lieutenant General Sagheer bin Aziz's son and nephew, both officers. Bin Aziz survived the attack. On 30 May, regional media reported the departure of American and Saudi servicemen from Marib province. One of the alleged reasons was to avoid Houthi attacks and missile strikes. On 3 June, an explosive device killed 9 Hadi Government soldiers and high-ranking officers, including the 81st Infantry Brigade Chief of Operations, Brigadier General Abdullah Ahmad Al Abdi and the Commander of the 2nd Battalion, Colonel Ali Omar Murad. Another Colonel was killed by another IED after going to the region to investigate. In the last weeks a total of 13 officers were killed in IED style of ambushes near the Seventh Military Region in Marib. On 21 June Houthi-led forces fought its way in the Al Bayda Governorate, with the aim of reaching Mahilia area and attacking Marib by the South. According to pro-Hadi government media the Houthi offensive on Al-Nahma area, Mahliyah District of Marib, left tribesmen loyal to the government and soldiers in a dire situation of being attacked from the South. On 24 June, media sources close to the Houthis reported the deaths of prominent commanders on Hadi Government forces including Lt. Col. Saleh Abdo Hashem al-Jamali, two Captains; Ibrahim al Akki and Adam Jarban, the Chief from the 4th Battalion, 141st Brigade. Several other soldiers were reported killed amid news of hospitals in Shabwa and Marib collapsing from battle casualties. On 30 June, Houthi forces made further advances on the north of Badya and the south of Marib, seizing 400 km2 of terrain and inflicting 250 killed, wounded and captured Pro-Hadi Government forces. On 12 August, Houthi sources reported advances on the Marib front against ISIS and Al-Qaeda forces located in the southeast of Marib and Saudi-led forces in the southwest. On 1 September, Houthi media reported military advances made by the Houthi rebels on the district of Mahiliya in Marib Province. Advances were reported also on Al-Aqabah, Al-Mohalil