 The Saudis advanced quickly, capturing the disputed cities of Hajara and Najran on 7 and 21 April respectively.By 9 April, Haradh had been occupied by the Saudi army (except for a single fort, which fell the next day), and Midi was under siege.On 11 April, the Saudi press reported that Aqabat ash-Shatba had been captured by Saudi forces, from which the Saudi army continued their advance, capturing Yabad, then the Bab-al-Hadfd valley, before finally besieging Baqim.