During the last days a large attack on the Syrian government supply line to Aleppo city was carried out by Jabhat al-Nusra (aka al-Qaeda in Syria) and the Islamic State seemingly in coordination with the U.S. military.
During September the U.S. anti-IS coalition carried out an average of 4.2 airstrikes on IS in predominately east Syria. This after an average of 6.8 per day in August. The rate in October was about the same as in September until Thursday October 22. Then, according to the U.S. Military Times, the strike rate decreased markedly: