Mezue ahịrịokwu na-esonụ:
Agha nke Raqqa n'ọnwa Ọktoba 2017, SDF ji nwayọọ nwayọọ malite inyefe ọrụ nchekwa n'obodo ahụ na RISF, na-amalite na agbata obi al-Mashleb na Nọvemba. Ka ọ na-erule Disemba 2017, ndị agha nchekwa nke Raqqa amalitela ịchekwa Ayn Issa na mpaghara ndị gbara ya gburugburu.