Committee chairman says panel is looking at two reported incidents . Country says it seized 13 containers of illegal arms . The U.S. State Department has said the weapons were destined for Syrian rebels fighting President Bashar al-Assad in a civil war that began more than five years ago and killed hundreds of thousands.
Committee chairman says panel is looking at two reported incidents . Country says it seized 13 containers of illegal arms . Separate report says high explosives were bound for Syria .