Kerry calls for no aircraft flying over key Syria aid routes

U.S. Secretary of State John Kerry wants all aircraft over key humanitarian routes in northern Syria grounded in order to give peace a chance.

Kerry told the U.N. Security Council that such a step could restore credibility to efforts to end the five-year civil war and "give a chance for humanitarian assistance to flow unimpeded."

A U.S.-Russian cease-fire agreement reached on Sept. 9 has all but collapsed. And the U.N. suspended aid deliveries after a strike on a humanitarian convoy this week that killed a dozen people.