In South Africa non-whites were moved to shanty towns as a result of the group areas act.

The deportation of Palestinians to anywhere else would be a war crime under the  Geneva Conventions -“Convention (IV) relative to the Protection of Civilian Persons in Time of War. Geneva, 12 August 1949”.

To quote “Individual or mass forcible transfers, as well as deportations of protected persons from occupied territory to the territory of the Occupying Power or to that of any other country, occupied or not, are prohibited, regardless of their motive.”

Source: https://ihl-databases.icrc.org/en/ihl-treaties/gciv-1949/article-49?activeTab=undefined