Boris Johnson is known to have privately warned deputy prime minister Dominic Raab about his conduct.
Mr Raab is going through a bullying investigation following a number of complaints about his behaviour by civil servants.
Former prime minister Mr Johnson, who first appointed Mr Raab as deputy PM, is known to have supplied proof to Adam Tolley KC, the impartial lawyer who’s finishing up the investigation, The Telegraph reported.
It may be very uncommon for a former prime minister to be concerned in an investigation launched by Downing Street.
Mr Raab, who’s deputy PM and justice secretary, was interviewed by Mr Tolley every week in the past, indicating the official inquiry might be coming to an finish.
Sky News has been advised the inquiry is drawing to a detailed however the report won’t be launched imminently.
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Mr Johnson and Mr Raab have each declined to touch upon the most recent declare.
A spokesman for the previous PM advised Sky News: “It would be inappropriate to comment on an ongoing inquiry.”
The inquiry is believed to have spoken to dozens of witnesses, together with high civil servants.
Claims have been made that Mr Raab created a “culture of fear” on the Ministry of Justice and he was “very rude and aggressive”.
Colleagues have been allegedly “scared” to enter his workplace when he was international secretary, former everlasting secretary Lord McDonald has stated.
Mr Raab has denied he has bullied anyone, telling Sky News final month he had “behaved professionally throughout”.
He additionally identified he known as the inquiry into himself when the accusations have been made.
Read extra:
The claims in opposition to Dominic Raab
The deputy PM has stated he would resign if the inquiry discovered he had bullied workers.
“Look, if an allegation of bullying is upheld, I will resign,” he advised Sky News’ Sophy Ridge on Sunday programme final month.
Rishi Sunak has confronted calls to droop Mr Raab whereas the investigation is carried out however he has stated the inquiry ought to run its course earlier than he comes to a decision.
If Mr Raab is discovered to have bullied workers, Mr Sunak will face questions on what he knew in regards to the allegations earlier than giving Mr Raab his position.
There are eight formal complaints in opposition to Mr Raab based mostly on his time as international secretary, Brexit secretary and through his stint as justice secretary beneath Mr Johnson.
Source: information.sky.com”