Police in the north are urging young people to speak up if they've been asked to share inappropriate images online.
It follows the death of 17-year-old Ronan Hughes from Coalisland County Tyrone.
The teeanger is believed to have taken his own life after being tricked into posting images on the internet.
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The PSNI has issued a warning about posting information and images online in the wake of the tragedy.
They're urging young people who may have experienced a similar incident to tell a trusted adult, or to contact police.