A casualty bureau has been set up to treat people found with "significant health problems" in a container at Tilbury Docks, Essex Police say.
Staff from Port of Tilbury, UK Border Force and East of England Ambulance Service are also dealing with the incident, the force added.
The uncle of dead Afghan immigrant Meet Singh Kapoor says he wanted a better life for his children. Instead his children watched him die.
ITV News has spoken to the translator police used after 35 Afghan Sikhs, including 13 children, were found in a boat in Tilbury Docks.
ITV News has obtained exclusive footage of people, believed to be Afghan Sikhs, being released from a shipping container at Tilbury Docks.