the article you quote from applies to sovereign nations and these areas were clearly never sovereign. that is why i said i believe because i recognise that there is a debate and having looked at the facts these are the conclusions i have reached. if someone arrives at other opinions they are certainly entitled to them, my point is it is not black and white legality or illegality even after reading the applicable articles in the geneva convention.
Peru forces rescue 54 adults and children held captive by Shining Path (AP)
from the article: Boycott Ariel college