Nigel Farage and Zia Yusuf will make a major announcement at a press conference on Monday.

It comes after Reform UK said it would be launching a national inquiry that would force Boris Johnson to testify under oath about his involvement in the migrant crisis.

The Daily Express has revealed that Mr Farage would order the probe amid fears that the arrival of a predicted 1.6million foreign nationals between 2026 and 2030 would "destroy the country's finances".

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