On 5 March, rebels launched an offensive in Idlib Governorate to lift the siege of Khan Shaykhun and cut the supply lines to the Wadi Deif and Hamadiyah army bases. On 23 March, rebels advanced towards Khan Shaykhun resulted in both the lifting of the siege of the town and cutting the supply line to Syrian Army bases further north in the province.[18] On 4 April, rebels cut off the second supply line to these two bases by capturing Aboulin town and al-Salhiya village.[19]