On 14 May, rebels detonated a tunnel bomb underneath the Wadi Deif military base, destroying the western entrance of the base completely. According to opposition sources and SOHR, rebels killed between 35-100 Syrian soldiers due to the explosion.Rebel progression in Idlib continued in early July focusing on the area surrounding the Hamadiyah base. Immediately west of the Army base were four checkpoints: Hanajak, Tafar, Dahman and al-Midajin which form an arc, insulating Hamadiyah from the west to the north.[2]