The injured started streaming in shortly after predawn prayers , said Dr. Abu Said at a field hospital in Sakba , east of Damascus . NEW : An opposition group accuses the international community of being complicit . The U.S. ca n't officially confirm a chemical weapons attack , an official said . But Secretary of State John Kerry has called for action to punish Syria and deter further use of such weaponry in future conflicts. British , French governments acknowledge reports are n't verified but express concerns .
NEW : An opposition group accuses the international community of being complicit . The U.S. ca n't officially confirm a chemical weapons attack , an official said . But Secretary of State John Kerry has called for action to punish Syria and deter further use of such weaponry in future conflicts. British , French governments acknowledge reports are n't verified but express concerns .