According to an Israeli account, there are many Syrians celebrating this recent attack killing U.S. soldiers in their country:
Conservative Laura Loomer says that the USA should have let Assad obliterate Damascus:
According to this:
https://www.reddit.com/r/worldnews/comments/1plqizm
Syrian sources confirms that the gunman was a Syrian MOD soldier who was conducting a joint patrol with US troops when he turned his barrel at them.