The Kurdish YPG calls on Syrian government troops to protect Manbij against what it calls a "Turkish invasion".
The Obama administration claims that Russia was responsible for the bombing of a United Nations aid convoy near Aleppo on September 19. Russia denies its involvement. In the aftermath of the attack, the United Nations suspends all aid convoys in Syria.
More than 72 are killed in clashes between Al-Nusra Front and Syrian government forces in Khan Tuman south of Aleppo, Syria. [http:--www.i24news.tv-en-news-international-middle-east-112298-160506-more-than-70-dead-as-syria-army-battles-jihadists-south-of-aleppo-monitor (i24 News)] [https:--web.archive.org-web-20160507124914-http:--www.voanews.com-content-jihadists-retake-syrian-village-near-aleppo-3318092.html (VOA News)] Aleppo offensive (May 2016)