The four men arrested in connection with this investigation have been released on bail while police enquiries are ongoing.
Patrols will continue in the Ripon area to provide extra reassurance for concerned parents while the full circumstances are established.
Anyone with information about either incident is asked to contact North Yorkshire Police. Dial 101, select option 2 and ask for Harrogate Serious Crime Team. Alternatively, Crimestoppers can be contacted anonymously on 0800 555 111.