The Tory leader says Labour's negotiations could cost the UK billions; the prime minister questions whether Badenoch has been "properly briefed" on UK security.

Britain and Mauritius denied on Wednesday media reports that London could end up paying double the amount in a renegotiated deal to retain a U.S.-British military base on Diego Garcia in the Indian Ocean.

A Labour minister has squirmed under pressure after being questioned about the Government's plans to hand over of the Chagos Islands as well as billions of pounds. The British Indian Ocean Territory includes a crucial naval base on land leased by the United States from the UK military. Since 1971. Only the atoll of Diego Garcia has been inhabited