A 12-year-old school boy turned "white as a ghost" when he was confronted by Dunedin police for a seemingly comical prank on social media today.
Taieri College principal David Hunter said the pupil posted a threatening image on Snapchat, and while the boy thought it was funny at the time, police did not.
He said police arrived at the school about 8.30am, in search of the pupil.
"The lad thought it was a funny thing to do, but he's not thinking that now.