Cabinet Office
British officials have contacted the US administration over "unacceptable" leak.
Shadow chancellor hints ex-Mayor’s public views – and his private life – give cause for concern.
The Cabinet Office appeared to have lost track of 50% of the consultancy costs.
Tory MP called "the epitome of the Brexit elite" as race to succeed Theresa May gathers pace.
Gavin Williamson has called the investigation a “shabby and discredited witch hunt”.
Met Police chief says Cabinet Office would need to refer the matter for an investigation to take place.
The five things you need to know about politics to
Gavin Williamson initially lashed out by suggesting Cabinet Office secretariat responsible.
The list includes a £514m contract for immigration enforcement services.
PCS, Prospect and FDA – which represent more than 200,000 – will take dispute to High Court.