Two senior police officers are set to face misconduct hearings over the "plebgate" affair involving former chief whip Andrew Mitchell.
Inspector Ken Mackaill for West Mercia Police and Detective Sergeant Stuart Hinton from Warwickshire Police, have been accused of gross misconduct. Both forces said that there was a "case to answer".
The development comes after a meeting with Mr Mitchell in October 2012 at his constituency office in Sutton Coldfield. Last November, Andrew Mitchell strongly denied using the word "pleb" and lost a high-profile action against News Group Newspapers, publishers of the Sun.
The police officer at the centre of the so-called "Plebgate" incident has accepted £80,000 damages in settlement of his libel action against former Government chief whip Andrew Mitchell.
Pc Toby Rowland was awarded the sum at the conclusion of his defamtion case against the Conservative MP at the High Court in London today.
Last November, Mr Mitchell, who strongly denied using the word "pleb", lost a high-profile action against News Group Newspapers, publishers of the Sun.
A judge had declared that he was "satisfied" Mitchell had used the "politically-toxic" word in September 2012 when he was not allowed to cycle through the main Downing Street vehicle gates.
Three Police Federation representatives caught up in the so-called Plebgate row are to be investigated over their meeting with MP Andrew Mitchell, the Independent Police Complaints Commission (IPCC) said.
We are independently investigating the conduct of 3 Police Federation representatives who met Andrew Mitchell MP http://t.co/BcwKc1YsF0
We previously supervised an investigation into their conduct but the case was re-determined following a High Court ruling on 6 October 2014
A police officer who faced investigation over the Plebgate row has kept his job after a disciplinary hearing cleared him of any wrongdoing.
James Addison, 37, was accused of making a false statement denying he had been in contact with Pc Keith Wallis, who was later jailed and sacked for pretending to have witnessed the confrontation.
However, Addison faces a second disciplinary hearing next month after admitting sending porn to colleagues via Whatsapp while on duty at Downing Street.
He has already been fined £6,000 over sharing the "disgusting and offensive" images that included bizarre sex acts.
Pc Susan Johnson been sacked from the Metropolitan Police after a gross misconduct case against her was found to be proven following the investigation into the "plebgate" row on Downing Street between officers and former chief whip Andrew Mitchell, the force said.
Former Cabinet minister Andrew Mitchell has demanded the Metropolitan Police release full transcripts of the hearings investigating officers over the Plebgate scandal.
Writing to police chief Sir Bernard Hogan-Howe, the Conservative MP said that "confidence in the police has been badly damaged by the many revelations that have emerged", and that "only a completely open and transparent account of what happened will remedy the damage done."
The Metropolitan Police today confirmed they had received the letter, and were seeking legal advice as to what information could be published.
A policewoman involved in the Plebgate row on Downing Street between officers and former chief whip Andrew Mitchell boasted to a friend that she could bring down the Government, the Conservative MP has said.
Mitchell made the claim after Scotland Yard denied his requests to release information heard in gross misconduct hearings relating to the scandal.
Mitchell said full disclosure of Metropolitan Police gross misconduct hearings will show the woman texted a friend two days after the altercation saying: "I can topple the Tory Government".
Pc Gillian Weatherley has been dismissed from the Metropolitan Police without notice after she was found guilty of gross misconduct.
She was on duty in Downing Street on the day of the confrontation between then-chief whip Andrew Mitchell and fellow constable Toby Rowland in September 2012.
The next day, Weatherley sent a photograph of an email that Rowland had sent to his bosses about the row to another officer, James Glanville. He was later sacked for leaking the information to the Sun newspaper.
The force said she had given "inaccurate and misleading" statements to officers investigating the aftermath of the row, and had been suspended from duty since her arrest in February last year. Prosecutors have already decided not to press charges.
Pc Gillian Weatherley has been sacked from the Metropolitan Police Service over leaks to the press during the Andrew Mitchell "plebgate" row, the force has announced.
In a statement, the Metropolitan Police revealed that Andrew Mitchell attended both misconduct hearings for former Pcs Keith Wallis and James Glanville, as an "interested party".
The Met spokesperson said: "Misconduct hearings are considered a privateprocess. As such, we treat theinformation raised within them as confidential.
"This is set out in the statutory regulations governing police misconduct proceedings. However, given the public interest in this investigation the MPS, will publicise the outcomes of the hearings."
Andrew Mitchell, then chief whip, was involved in a heated confrontation with another police officer, Toby Rowland, after he was refused permission to cycle through the main gate of Downing Street on September 19, 2012.
Mr Mitchell, who was accused of calling the officer a ''pleb'', was forced to resign his post following a month of intense media interest in the story.