Two tanker drivers are in police custody in Kent after an emergency at the Port of Dover in which 15 asylum seekers were heard knocking - in apparent distress, from the inside of a tanker on a cross-channel ferry.
Some of the fifteen people were treated by paramedics at the scene. Two were taken to hospital. They were all were tested for exposure to hazardous substances.
The incident was a chilling reminder of the tragedy at Dover 13 years ago, when 58 asylum seekers were found suffocated in the back of a sealed lorry. David Johns reports.
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Police body cam footage captured the incident in Brighton in June 2013.