A child is in a critical condition after a buggy rollover on a farm north of Adelaide.

The child was involved in the accident on a private property at Yattalunga about 4.30pm (5pm AEDT).

Emergency services including multiple ambulances, a helicopter and a paediatric team were called to the scene.

Yattalunga is a small community between Adelaide and Gawler.

More to come.

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