A person was feared missing when firefighters tackled a blaze in a first floor flat.
Crews arrived at the flat in Boreham Holt, Elstree at 12.46pm to find the flat full of smoke.
Firefighters initially feared one person might be involved in the fire, but the person was soon accounted for elsewhere.
The fire was extinguished by 1.27pm.
One crew is still on the scene to ensure the flat is completely safe.
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