A 13-year-old boy was found carrying a knife in Lurgan town centre on Friday afternoon.
Lurgan Neighbourhood Policing Team were on patrol in town and said they had reason to speak with a number of young people in the area.
A 13-year-old child was subsequently searched was found with the following knife, police confirmed.
Posting the image of the offending item, a PSNI spokesperson said: “Too many young lives have been ruined with knife crime.
“It is an urban myth that police cannot stop and search young people.
“Police will continue to utilise Stop and Search powers in Lurgan to keep your children safe.
“Parents, ensure your children do not get themselves into grave danger. Knives take lives.”
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