The United Nations Food and Agriculture Organization (FAO) warned last week that the locust swarms infesting countries from Mauritania to Chad could develop into a full-scale plague without additional foreign aid.

• 联合国粮农组织曾在上周警告说，如果没有额外的外国援助，从毛里塔尼亚到乍得等蝗虫重灾区将面临严重灾难。