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All traffic was stopped on the A21 this morning after a bus was reported to be on fire.
Long delays were experienced on the northbound carriageway between Southborough and Hildenborough.
Firefighters were called at 6.07am to reports of a bus alight, but upon arrival found it was a false alarm.
It is believed there was an oil leak in the engine compartment, but no firefighting action was carried out.
Kent Police attended the scene for traffic control.
More to follow.