He accused them of withholding a tape made by Kennedy which is now the subject of a disclosure application to the CPS.
[The Metropolitan Police] will consider what application, if any, it will make in due course, once it has received advice from the CPS".
Many cases fail because of reluctant witnesses and poor preparation by the CPS.
"The CPS has asked that more information be provided to its lawyers and has said that more time will be needed fully to consider the matter.
Alison Saunders, chief crown prosecutor for CPS London, said: "We have carefully considered the evidence gathered by the Metropolitan police service as part of Operation Yewtree in relation to Rolf Harris, who was initially arrested on 29 November 2012 over allegations of sexual offences.
Deborah Walsh, deputy head of special crime and counter terrorism at the CPS, said: "In line with recent case law on this issue, we can no longer maintain our position that the Prince could have immunity.
Rather, the CPS said the decision on immunity was academic as it had solid fact-related grounds for the basis on which it determined it could not prosecute Sheikh Nasser.
The staff in witness care units work tirelessly to provide the best service they can; more support is available to victims and witnesses at court than before; the CPS now has specialist prosecutors; and victims are now able to make personal impact statements.
A Crown Prosecution Service spokesman said that the CPS had yet to be contacted by the IPCC in relation to Orgreave.
Such cases will be dealt with robustly and those falsely accused should feel confident that the CPS will prosecute these cases wherever there is sufficient evidence and it is in the public interest to do so.
The CPS has now published a trailblazing report on so-called "false allegations" of rape or domestic violence.
