Approximately 40 scrap cars are believed to be set alight.
Dublin Fire Brigade are currently at the scene of a large fire in Ballymun.
The fire brigade has said that they believe that 40 scrap cars are on fire, and that five fire engines and a water tanker at the scene.
The fire can be seen from all over Dublin, which resulted in a large number of 999 calls on Saturday afternoon.
Those in the area are being urged to close their windows.
The origin of the fire is not yet clear, though it is expected that Gardaí will investigate.
Images from the scene have been shared by Dublin Fire Brigade.
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