It happened sometime between 14:00 and 14:15 on Thursday 1 August.
The person who was attacked ended up on the ground.
Police are particularly interested to speak with the people driving a white van which is believed to have driven along Maurepas Road at the time of the incident, continuing in the direction of Rouge Rue.
Anyone with information is asked to contact Helen Devonshire 875 or PC 17 Kusimo in the Investigation Support Unit on 725111.
Pictured top: File image.