Lucknow: A day after it emerged that a Kashmiri teenager, studying at a private university in UP, had become a terrorist, the Uttar Pradesh Police said that the authenticity of the photo, which shows the missing student with the Islamic State flag in the background, is yet to be ascertained.

Ahtesham Bilal Sofi a resident of downtown Srinagar, was a first year graduation student at Greater Noida's Sharda University. He went missing on October 28 after he left the university with official permission to go to Delhi.