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A driver was today being quizzed on suspicion of drink driving after a crash in the Dartford crossing.
Police were called at just after 5am today after the crash involving a BMW Mini in the east tunnel.
No-one was injured, but a 27-year-old man was arrested on suspicion of driving with excess breath alcohol. He is still in custody.
The tunnel was temporarily shut, but reopened at 6.27am.