The Home Office held 56 migrants including mothers with babies and very young children in a cramped and unfit room in Dover covered in thin mattresses, MPs say.
The Home Affairs Committee slammed the conditions in Kent this week in a letter to Priti Patel after they made a surprise visit.
Members said it was wholly inappropriate and risked spreading coronavirus further and claimed some were being held illegally.
The Home Office hit back saying it took the migrants safety seriously but added it was facing an unacceptable numbers of people crossing the English Channel.
The Home Affairs Committee slammed the conditions in Kent this week in a letter to Priti Patel (pictured)
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