"There's no doubt who is responsible for this heinous use of chemical weapons … the Syrian regime."
Vice President Joe Biden
"France is ready to punish those who took the heinous decision to gas innocents."
President Francois Hollande
"Any response would have to be legal, proportionate and deter future use of chemical weapons."
Prime Minister David Cameron
"We have the means to defend ourselves, and we will surprise people with them.''
Foreign Minister Walid al-Moallem