It comes after Sir Mo Farah revealed he was trafficked to the UK as a child.
Legally, the government can remove a person's British nationality if their citizenship was obtained through fraud.
Speaking about other victims of child trafficking, Sir Mo - a four-time Olympic champion for Team GB - told Today programme presenter Amol Rajan: "No child wants to be in that situation. I had the choice made for me, and so young. I'm just grateful for every chance I've got in Britain to embrace my country, and I'm proud to represent my country the way I did.
Sir Mo told the story of being trafficked in a documentary from BBC and Red Bull Studios, which airs on Wednesday but has been seen by BBC News. The teacher also helped him to obtain British citizenship and a passport so that Sir Mo could compete in international athletics competitions.
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