United Nations ambassadors have threatened Security Council action if the Syrian government killing does not stop killing its citizens.<br /><br />The warning comes as growing international concern over the situation in Syria mounts. Members of the UN Security Council called the fighting "depressing and chilling."<br /><br />Now, the United States has announced a new set of sanctions against Assad's government.<br /><br />Al Jazeera's Kristen Saloomey reports.
