Gunmen of Houhis, also known as Ansarullah, killed on Saturday a soldier in the outskirts of the northern governorate of Amran, Interior Ministry said.The attack were taken place in Dhabr checkpoint at the northern entrance of the governorate when the Houthis equipped with various kinds of light and medium-sized weapons insisted on crossing the checkpoint, an official at the Ministry said.Two other soldiers were injured in the attack, the official said.