The bottom line has to be what is best for policing in West Yorkshire.
"Sir Norman has clearly taken that into consideration and already declared his intent to work with the IPCC investigation following the recent referral by the Police Authority.
We have had some discussion about the chief constable's possible retirement date and succession planning, but hadn't reached any firm agreement.
Sir Norman Bettison has been a very valued and effective chief constable. West Yorkshire is much the better for his leadership over the past six years or so.
The families of Hillsborough victims welcomed the retirement Sir Norman Bettison, who criticised Liverpool fans in the wake of the disaster.
Steve Kelly believed his brother Michael died shortly after the crush at Hillsborough began. Now documents suggest that was not the case.
The police chief that the Hillsborough victims' families believe smeared their loved ones has exclusively told ITV News he is 'not ashamed.'