NEW : An opposition group accuses the international community of being responsible . The U.S. ca n't officially confirmed a chemical weapons attack , an official statement . The Syrian government denies using chemical weapons . Forty of the 200 people brought to the field hospital died , Said said . British , French , German reports are n't verified but express concerns .
NEW : An opposition group accuses the international community of being responsible . The U.S. ca n't officially confirmed a chemical weapons attack , an official statement . The Syrian government denies using chemical weapons . British , French , German reports are n't verified but express concerns .