sentences:  The al-Rahma clinic was also struck.On 27 February 2018, pro-government media reported that Tahrir al-Sham withdrew from the city of Khan Shaykhun, and was expelled from western Aleppo by other rebel groups.In mid-April 2018, pro-opposition media reported that Tahrir al-Sham once again seized the town, which had been devoid of rebel military presence.