Shamima Begum, the British schoolgirl who left London when she was 15 to travel to Syria and join Islamic State, has lost an appeal to return to the UK.

The former ISIS bride, now 23 years old, remains in a refugee camp in northern Syria as the Home Office's decision to deprive her of British citizenship was upheld.

On the Sky News Daily, Sally Lockwood is joined by Richard Barrett, the former director of global terrorism operations at MI6, who contributed to the appeal report to discuss the advice he gave. Plus, Sky's Middle East correspondent Alastair Bunkall, who has visited Begum in Syria, walks us through her transition from London schoolgirl to ISIS bride - and now, a stateless refugee.

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