A Romanian man has been arrested on suspicion of assisting unlawful immigration, a Border Force spokesman said.
He added that eight Afghani nationals have also been detained and a criminal investigation has been launched by immigration enforcement officers.
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More than 80 people are refusing to leave their homes on the Chalcots Estate despite an evacuation of the estate's tower blocks.
Northern areas will continue to see a few showers in places but generally Sunday will be a brighter day with some decent sunshine.
Stormzy has used his set at Glastonbury to call attention to the recent Grenfell disaster and demand answers over what happened.