Teen known as ‘Osama Bin Bieber’ fights alongside ISIS

A British teenager named Mohammad Hadi, 18, from the city of Coventry in the West Midlands, is believed to have joined the increasingly-powerful Islamic militant group the Islamic State of Iraq and Levant (ISIS), reported by the Daily Mail on Sunday.

The young man, of Iraqi-Kurdish descent, is nicknamed 'Osama Bin Bieber' after Canadian pop star Justin Bieber due to his young appearance.

Hadi claims that extremist clerics at a religious school in the city had radicalized him and persuaded him to travel to the Middle East, alongside three other men.

There are Instagram pictures, posted by Hadi, that show him holding guns and tweets claiming that he is in Syria with 'Dawla', another name for ISIS.

Back in March, Hadi's parents had supposedly reported missing charges on him to the police. In addition, the police had been warned before about his growing extremist outlook.

On Sunday, The Sun had spoken to Mohammad's father, Mahir Hadi, 38, who said "We can't talk about it - I don't know anything about it. The police know better than me."

Users on Twitter have reported that Hadi, now with the alias Abu Yahya Al Kurdy, is currently with a group of Chechens near the Syrian town of Sarrin.