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The prosecution in the war crimes trial of the former Bosnian Serb leader Radovan Karadzic has called its first witness from the Srebrenica massacre. The witness, who can't be named, told how he and other men were taken to a school gymnasium where men opened fire on them. The witness survived and escaped with another man. Prosecutors are trying to prove that Radovan Karadzic was responsible for genocide. He denies the charges.

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.

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.

The Mexican authorities have found more than 20 bodies in three abandoned vehicles in the western city of Guadalajara. Some of the bodies were

gagged

with their hands tied. A message