Police are hunting for two males who allegedly assaulted a 13-year-old boy and left another seriously injured at the scene of a crash as they stole two e-bikes in Melbourne's east.

Investigators have been told two 13-year-old boys were riding their e-bikes along Koonung Creek Trail in Doncaster East around 5pm on Monday, November 10 when two masked males approached them.

The offenders first assaulted one of the boys and stole his e-bike, police said.

The boy was able to run from the scene with minor injuries, which did not require medical treatment.

The second victim fled on his bike before he crashed into a wall near the Blackburn Road underpass and suffered serious injuries.

The offenders then caught up with the injured boy, stole his bike and rode off without assisting him

See Full Page