South Kent and Sussex residents are being asked to keep doors and windows closed due to a gas cloud that is believed to have come across from Rouen in France.
The warning follows reports of a gas leak from a factory 75 miles west of Paris. Kent Fire and Rescue Service says it is aware of the problem and liaising with its partner agencies to see what can be done.
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Tuesday night's weather for the east of the region
Tuesday night's weather for the west of the region