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Residents are being advised to keep their windows and doors shut after a field fire.
Kent Fire and Rescue Service are giving the advice following a fire near Wood Lane, Darenth, that started at around 12.20pm.
The blaze is the second in Dartford this week, after a corn field fire on Monday, and the fourth in Kent in the last few days.
Two fire engines are at the scene, with the cause unknown, but are advising residents to close windows due to high levels of smoke.
There are no reported casualties.