E-biker who critically injured 16yo had alcohol and drugs in system, police allege

In short:

A 16-year-old girl is in a critical but stable condition after being struck by an e-bike at Barrack Heights, south of Wollongong.

Police arrested a rider who allegedly tested positive for alcohol and drugs.

What's next?

Police want to speak with the second e-bike rider who left the scene.