A horrendous number of people including many children are dead because of the use of chemical weapons. When Assad gases Syrians he is not gassing his own people. They are his enemy, they are in revolt and they want him out of office.. When the Syrian people gas their own they gain nothing. Only the US is prepared to do something and it won't be very much; just a shot over the bow. So it is clear who is doing what..
Islamic State destroys part of Syria's Temple of Bel, monitoring group says (Reuters)