Immigration Law
Ask an Immigration Solicitor. Get an Answer ASAP.
Further to your question I am an immigration solicitor and will be assisting you with your question today
Please see the guidance below
https://best-citizenships.com/2018/12/09/these-countries-does-not-allow-renouncing-citizenship/
However you can contact the Yemeni Embessay in London to see if they could possibly assist you
You will need to contact customer service, top right hand corner
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