we have complete could have beenage starting with nic robertson in london. whatt the latest? reporter: chris, good morning the real concern here is as the acquisition de situation deteriorates they will use the civil war to build strength build camps and plan attacks against the west. all of this is happening as yemen edges towards civil war. shiite houthi rebels now in control of the international airport in the southwestern city of taiz. the u.n. envoy warn tack yes, ma am isn t at quote the edge of civil war. this sectarian violence between shiite rebels spreadling across