Man hit with angle grinder during attempted e-bike robbery

Key points

• A man was hit in the head with an angle grinder during an alleged attempted e-bike robbery at a caravan park in Hackney, in Adelaide's inner east. Stephen Hoy, 60, from Queensland, was staying there while visiting Adelaide to watch his son's band perform.
• He said he heard voices around 1:30am and was woken about 4:30am by the sound of machinery. He found a man allegedly grinding through the lock on his e-bike and the two fought.
• Mr Hoy received stitches after paramedics treated him at the scene. Police found the e-bike nearby, but no arrest has been made.