Australian teenager threatens Abbott in IS video

An Australian teenager who joined IS militants in Iraq and Syria has emerged in a video addressing PM Tony Abbott and US president Barack Obama.

The 17-year-old, named as Abdullah Elmir but who calls himself Abu Khaled, said "we will not put down our weapons until we reach your lands".
He ran away in June with another Australian teenager and it is believed he travelled to Syria via Turkey.
A government spokesman said it showed the threat posed by Islamic State.
"That is why Australia has joined the coalition to disrupt and degrade ISIL in Iraq," the spokesman said.