A video of a young boy being assaulted in Co Armagh was shared over social media platform Snapchat.
Police are appealing for information after the video widely shared online in the Portadown area.
Inspector Leslie Badger said: “We have received a report of a video on social media of a young male in a school uniform being assaulted by another male.
“The video has been shared on social media this morning.
“Our officers are working hard to identify those involved and we believe this assault occurred in the Portadown area in recent days.
“I am appealing for the injured boy, or anyone who witnessed an assault in the Portadown area in recent days to contact officers in Lurgan on the non-emergency number 101, quoting reference 233 24/05/18.
“Alternatively, information can also be provided to the independent charity Crimestoppers on 0800 555 111 which is 100% anonymous and gives people the power to speak up and stop crime.”