1:  Peaceful dialogue is the only way forward ,  said Jamal Benomar , the U.N . 's special adviser on Yemen . 2: But he gave a dire assessment of the current situation , saying the country is in a  rapid downward spiral  and at  the edge of civil war .  3: U.N. envoy says Yemen is in a  rapid downward spiral ,  urges dialogue .
1: Jamal Benomar , the U.N . 's special adviser on Yemen 2: he 3: U.N. envoy