In February 2018, the Syrian army launched an operation to dislodge rebels from the area. In early March 2018, the Syrian army had captured 59% of the Eastern Ghouta pocket. On 7 April 2018, at least 48 people were reportedly killed in a chemical attack in Douma, which resulted in an armed response from the United States, France, and the United Kingdom. On 14 April 2018, the Syrian Army officially declared Eastern Ghouta to be free of militants, securing it under government control.