The incident occurred near the Nak-Kerd Seaview Cafe at about 6:22pm yesterday (July 16), Karon Police reported.
A Thai man who witnessed the mugging reported the attack by calling the 191 hotline.
The man, named only as Mr Wirat, was driving towards Chalong when he saw a tourist attacked by one criminal, a man wearing a red shirt, said the brief report.
The make and model of the vehicle used to make his getaway was unknown, the report noted.
Items stolen in the mugging included a wallet containing an unknown amount of money, a yellow shoulder bag, a power bank, and the tourist’s room key at a hotel in Karon.
Of note, in the photos presented to The Phuket News was a phone showing the name of a Russian woman. Her role in the incident has yet to be confirmed.
Karon Police are continuing their investigation.