The fire has since been extinguished.
There are delays between Junction 12 and Junction 13 of the M50 after a car went on fire.
It is unclear how the incident occurred, and the fire has since been extinguished.
The fire occurred between Sandyford and Firhouse on the M50 Northbound.
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They then followed up with a tweet which read: "The fire has now been extinguished. The outside lane still remains closed temporarily until the vehicle is removed form the scene. Please take care on approach."
AA Roadwatch also issued a statement which read: "The M50 northbound is temporarily blocked between J13 Sandyford and J12 Firhouse as emergency services deal with a vehicle on fire."
The lane has now reopened, but motorists are being urged to take care as delays are still expected.