Counter-terrorism police captured the youngster at a location in east London toward the beginning of today.
She is as of now in guardianship at a focal London police headquarters where she is being addressed on suspicion of readiness of terrorism under area five of the Terrorism Act 2006.
Not long ago, three Bethnal Green Academy schoolgirls Shamima Begum and Amira Abase, both 15, and Kadiza Sultana, 16, fled their east London homes to join the Islamic State (ISIS) dread gathering in Syria.