Kurwiswa nemakemikari kwakaitwa paKhan Shaykhun musi wa4 Kubvumbi 2017 kwakatukwa nenyika dzakawanda, uye kwakakonzera kuti mauto eU.S. aite chimwe chinhu
mukurwisana nenhandare yendege yaidzorwa nehurumende yeSyria paShayrat. Kurwiswa kwemakemikari muDouma musi wa7 Kubvumbi 2018 kwakakonzerawo kupindurwa kwemauto neUnited States, United Kingdom neFrance.