US Secretary of State John Kerry warns over Syria inaction
4 September 2013 Last updated at 21:55 BST
A Senate panel has approved the use of military force in Syria, in response to an alleged chemical weapons attack.
In a 10-7 vote, the Senate Committee on Foreign Relations moved the measure to a full Senate vote, expected next week.
US Secretary of State John Kerry told the committee that the risks of not acting over Syria outweighed the risks of taking action.