The fire seen from the M25. Picture: Jo Durie
Fire crews are fighting a tree fire in Potters Bar.
Hertfordshire Fire Command is tackling a fire involving several trees in Dancers Hill Road.
Crews were alerted to the incident at 3.14pm and eight engines are tackling the blaze.
Police are also on hand to monitor traffic.
A spokesman said the "large" fire had so far remained confined to the trees, but that there were garages nearby which could be affected.
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