____________________ After a month of denying that the police used live ammunition, the authorities have relented to public pressure and put the officer suspected of shooting her on trial. Aid agencies in Yemen have called for an immediate ceasefire in the northern province of Saada, the Houthis heartland that's been subject to intensified bombing by the Saudi-led coalition. The Saudis have told all civilians to leave the region. World news from the BBC. ___________________在警方否认动用实弹驱散抗议者的一个月后,当局迫于公众压力,将涉嫌枪杀她的警察移交法院受审.也门救援机构呼吁萨达省南部地区立即停火,这一地区是侯赛的中心地带,在沙特为首的联合行动中遭到猛烈轰炸.沙特军方告诫所有平民从这一地区撤离.以上是BBC环球新闻.