#Strategic disaster
Mr Tugendhat said the Foreign Office had "negotiated against Britain's interest" and it was "disgraceful that these negotiations started under our watch" - in a dig at Mr Cleverly who was foreign secretary when negotiations began in 2022.
Reform UK leader Nigel Farage said "giving up the Chagos Islands is a strategic disaster" and claimed the US "will be furious and Beijing delighted".
"Labour are making the world a more dangerous place," he said.