Yemen's abundant guns fuel its messy civil war

By Angus McDowall MARIB, YEMEN (Reuters) - Celebratory tracer fire from a wedding lights up the night sky over Marib, a city that is heavily armed even by the standards of Yemen, where the ready availability of weapons helped start civil war and is now preventing anyone coming out on top. Yemenis often say there are three guns for every person, a boast that has become an urgent concern in a country where the United Nations says the humanitarian situation is "critical". The precise number of weap