Humanitarian aid may soon head to Syria, just hours after diplomats here reached a deal that could lead to a cease-fire.<br />Secretary of State John Kerry and Russian Foreign Minister Sergei Lavrov announced the temporary "cessation of hostilities" in Munich ahead of a security conference here that got underway Friday.<br />Dozens of world leaders and senior diplomats are attending.<br />The effort to achieve a cease-fire was described by Kerry as "unanimous" and "ambitious."<br />"The challenge now is to make sure that we can create the conditions on the ground for the cease-fire to take place," Federica Mogherini, the European Union's senior foreign affairs diplomat, told reporters in Munich.<br />Syria's five-year-long civil war has killed more than 250,000 people, driven more than 4 million people from the country and led to Europe's worst refugee crisis since World War II.
