A schoolboy was airlifted to hospital after his hand was reportedly "caught in the chain of a tricycle".
An army helicopter attended the scene at a school in Dundalk, Co Louth this afternoon.
It is believed the child was airlifted to a hospital in Dublin and staff have informed parents about the incident.
A statement issued to parents at the school was seen by local newspaper the Dundalk Democrat, and it reads: "There was a serious accident in the school yard today. A child got his hand caught in the chain of a tricycle.
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"Emergency services attended the scene. The child was taken by air ambulance to hospital in Dublin.
"Staff have informed students about the incident."
A spokesman for the Defence Forces confirmed that the army helicopter that took part in the operation is one typically used by the HSE National Ambulance Service.
The HSE refused to comment on the incident.