Perth teenager fights for life after brawl

A teenager is fighting for his life in a Perth hospital after an early morning mass brawl in the suburbs.

The 15-year-old boy is in a critical condition in Royal Perth hospital, and has been placed in an induced coma with serious head injuries.

Police have shut down roads near Great Eastern Highway and Griffiths Street in Burswood while they comb a vacant lot.

The brawl is believed to have erupted about 6.30am, with eyewitnesses reporting up to 20 youths - some as young as seven - fleeing from the scene.