The United States military says it has killed dozens of fighters from ISIL (ISIS) and an al-Qaeda-affiliated armed group in two separate attacks this month in Syria.

In a statement released on Sunday, the US Central Command (CENTCOM) said that a “large-scale airstrike” on a remote ISIL camp in central Syria on September 16 killed at least 28 operatives, including four senior leaders.

CENTCOM also said that an attack in northwestern Syria on September 24 killed nine fighters, including “Marwan Bassam ‘Abd-al-Ra’uf, a senior Hurras al-Din leader responsible for overseeing military operations from Syria”.