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Drivers have reported seeing dozens of police vehicles and suffering delays on a main route this morning.
One motorist counted 34 police vans and cars on the Maidstone-bound carriageway of the A249 between Sittingbourne and Maidstone.
Dashcam footage shows a long line of police vehicles in the left hand lane.
Officers can be seen entering a site off the carriageway.
Met Police, who led the operation, have arrested three men during the incident.