More than 80 people have been reported to the Public Prosecution Service in relation to an illegal republican parade in Lurgan earlier this year.
Hundreds gathered in the Kilwilkie Estate area of the town at the opening of a Easter Rising Memorial on May.
A large group of masked men and bands marched through the estate towards the monument at Lurgantarry.
Chief Inspector Jon Burrows has issued an update with regards to the investigation following the unnotified.
He said: “The investigation has now concluded and 81 persons in total have been reported to the PPS for suspected offences under the Public Processions Act, including participating in an un-notified processions and Section 13 of the Terrorism Act 2000 which relates to paramilitary uniform.
“This has been a complex investigation. The arrests were as a result of the subsequent Policing operation and concurrent investigation.”