Fresh arrest over Adelaide kidnapping

A fourth man has been arrested over the kidnap and assault of an Adelaide Hills teen last week by a group believed to be linked to the Rebels bikie gang.

Police are interviewing a 27-year-old Munno Para West man over the incident, in which a 19-year-old was taken from his Andrews Farm home on October 25 by four men armed with a baseball bat and hammer and demanding cash.

Three other men were charged on Friday with kidnapping and other offences.