At least 21 people injured from an alleged chlorine gas attack on Doumaepaselect epa 06463851 An affected man puts the aerosol mask on his child while his other daughter gives treatment to her other sister , after a shelling attack on rebels - held Eastern al - Ghouta , Syria , 22 January 2018 . According to witnesses and activists and local medical sources , allegedly chlorine gas was used during the shelling allegedly by forces loyal to the Syrian government . The smell after the shelling and the symptoms shown on more than 21 people who came for treatments were those shown after the use of chlorine gas . No official confirmation as of yet . EPA / MOHAMMED BADRA ▶ 기사 제보 및 문의 ▶ 기자 와 1 : 1 채팅    ▶ 평창동 계 올림픽 영상 공모전