Protesters tell Newsbeat changes to citizenship laws could unfairly affect ethnic minorities.
Under international law - and specifically 1948 Universal Declaration of Human Rights - everyone has the right to a nationality so people cannot "arbitrarily" be left stateless.
They say cases like Shamima Begum would not happen to someone who is white British, as they would not be eligible for citizenship anywhere other than Britain. Fatima also says she is confused by what "public interest" means, and fears it could be used in other less serious situations, like protesting against government policies or environmental issues.
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