Teen fights for life after quad bike crash

A teenager has been flown to Queensland Children's Hospital after a quad bike accident west of Brisbane left him with a critical head injury.

A rescue helicopter arrived at the private residence in Lockrose, in the Lockyer Valley, to transport a young man aged in his early teens.

He is believed to have crashed a quad bike before 12:17pm today.

The helicopter departed the scene with the child on board at 2:12pm.