The authorities in Trinidad and Tobago have made several arrests after uncovering what they describe as a national security threat against the Prime Minister Kamla Persad-Bissessar. She is expected to address the nation later on Thursday. James Read of our America's desk reports.

特立尼达拉岛和多巴哥岛当局发现一起被他们称为针对总理Kamla Persad-Bissessar的“国家安全威胁”，并逮捕数人。总理周四将向全国发表讲话，BBC驻美洲记者James Read报道。

Trinidadian police have so far given few details of the threat to the prime minister, but local media are speaking of an assassination plot against Ms Persad-Bissessar and some of her ministers. Those detained are reported to include two former soldiers. Trinidad and Tobago has been under a limited state of emergency since August because of a surge of violent crime linked to drugs gangs. In 1990, more than 20 people died in the Caribbean nation when a local Islamist group tried to seize power.

特立尼达拉警方尚未透漏有关总理所受威胁的细节，但当地媒体称，有人策划一起针对Persad-Bissessar及其部长们的暗杀计划。被逮捕的人包括两名曾经的士兵。自八月份以来，发生的系列暴力犯罪总与毒品团伙有关联，特立尼达拉岛和多巴哥岛一直处于一定程度的紧急状态。1990年，在这个加勒比海国家，一个当地伊斯兰组织试图掌握政权，20多人死亡。