Man left unconscious on Alice Springs road

A man has been left unconscious on an Alice Springs road after being robbed and assaulted by a gang of teenagers.

The three teens - aged 13, 17 and 18 - allegedly assaulted the 36-year-old, and stole his wallet, phone and car keys early on Thursday morning.

The victim was hospitalised and the teenagers later charged with robbery.

The 13-year-old and 18-year-old will appear in court in Alice Springs on Friday while the 17-year-old was bailed to appear in court on November 20.