The Independent Police Complaints Commission (IPCC) has been investigating an allegation that he attempted to influence the decision-making process of West Yorkshire Police Authority in respect to investigating his conduct.
He is also the subject of a second IPCC investigation into allegations he gave misleading information after the tragedy, when he was chief inspector with South Yorkshire Police.
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The plans had been in development since 2014, but would help underline Britain as a "global player" following the Brexit result.
The number of calls about children suffering or witnessing emotional abuse or physical violence in the home has surged in recent years.
The curtain will come down on the show for the final time at the Piccadilly Theatre in March next year, before embarking on a UK tour.