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The M25 was closed near Sevenoaks following a crash this evening.
The accident happened at junction 3 for the M20 at about 6.45pm.
The crash is thought to involve at least three vehicles.
A diversion was in place, taking drivers down the exit slip road, around the junction 3 roundabout, and back on via the entry slip road.
Emergency services are at the scene.
The motorway reopened just before 8pm.