Chapter 5
Miscellaneous
Schedule 1
Crimes
Part 2
Crimes against Humanity
1. 'A crime against humanity' means any of the following conduct when committed as part of a widespread or systematic attack directed against any civilian population, with knowledge of the attack:
(e) imprisonment or other severe deprivation of physical liberty in violation of fundamental rules of international law.
Imprisonment - crimes against humanity
Severe deprivation of physical liberty - crimes against humanity
EDIT.