On July 3rd, 2015, loyalist forces (SAA & Hezbollah) lauched a new offensive aimed at capturing Zabadani. In the following weeks, as a result, Zabadani and Madaya were isolated from other rebel areas.
On September 24, 2015, a cease-fire agreement was reached concerning Zabadani, Madaya, Buqayn and Serghaya. The deal also concerned Governement enclaves of Fuah and Kafrayah in Idlib governorate. The deal included a 6-months implementation period during which the rebel fighters in Zabadani as well as their family would leave the enclave. Although the cease-fire included Madaya, the deal did not include any resolution about food supply to the civilians. While there were only a few hundred civilians left in Zabadani, there are more than 40000 civilians still leaving in Madaya.
By the end of December 2015, hunger began to crack in the enclave, raising concern in the international community.
On January 12, 2016, a first UN aid convoy reached the town