On Saturday, September 6, officers responded to reports of teenagers being robbed of their mobile phones.
The suspects, two aged 16 and one aged 13, were taken into custody later that day.
Police successfully recovered five mobile phones believed to be linked to the incidents.
Of the various locations involved, Harlow Town Park, Dadswood, Eastgate, and the cycle path near The Pinnacles were identified.
Detectives are seeking further information from witnesses or anyone else who may have knowledge of these or other related incidents.
For those willing to contribute information, incident number 825 of Saturday, September 6 should be referenced.
People are urged to use Essex Police’s online reporting services, but calls can also be made anonymously to Crimestoppers UK by visiting their website or by calling 0800 555 111.
