Migrants and homeless people cleared out of Paris during Olympics. ABC News

Authorities also have been sharply criticised as they have bussed camping migrants from the city centre, where the Olympics are taking place, to the fringes of Paris or other areas.

Activist groups and migrants have called the practice — long used in other Olympic host cities like Rio de Janeiro in 2016 — a form of "social cleansing".

Migrants and homeless people cleared out of Paris during Olympics. ABC News