Police are investigating an aggravated robbery in Hamilton, where a superette employee was knocked unconscious

Shortly before nine last night, four offenders entered the store on Hare Puke Drive, Flagstaff and assaulted the staffer.

They stole cash and fled the scene in a stolen vehicle -- which was found in Enderley at about 3.30 this morning.

The victim's received treatment in hospital and has since been discharged.

Police want anyone who saw a silver Toyota Mark X around those times, to contact them.