The UK court upheld the decision to strip the woman of her citizenship after she traveled to Syria to join the terrorist group

Shamima Begum left the United Kingdom to join ISIS at the age of 15. She has lost her appeal against the removal of her UK citizenship. Begum has been sentenced to life behind bars for leaving the UK at 15 years ago. The decision to remove her British citizenship was overturned by the Court of Appeal.

UK court upholds decision to strip woman of citizenship after she traveled to Syria to join ISIS. Shamima Begum lost her appeal against the British government's decision to revoke her U.K. citizenship. Begum was a teen when she joined the Islamic State group in Syria.

Shamima Begum was 15 when she fled to Syria and married an Islamic State fighter. Nine years later, she has lost her appeal against the removal of her UK citizenship. Lawyers vow to bring her home after losing appeal against removal of citizenship. But case raises questions on security, community and young victims.