On 21 July 2018, the Syrian Army began their assault on the ISIL-held pocket in the southwest Daraa Province, capturing the Tell al-Jumou hilltop to the southwest of Nawa, and also advancing near the town of Jallin, capturing Tell Ashtara and other nearby areas.[163] ISIL claimed to have killed 25 fighters from the Syrian Army and Syrian opposition in the clashes, and also claimed to capture some villages.[164] Early on the next day, the Syrian army advanced into the village of Jallin.[165]