FIRST SCHEDULE
(Article 2)
Crimes within the Jurisdiction of the International Criminal Court
Article 8
War crimes
2. For the purpose of this Statute, “war crimes” means -
(f) Paragraph 2 (e) applies to armed conflicts not of an international character and thus does not apply to situations of internal disturbances and tensions, such as riots, isolated and sporadic acts of violence or other acts of a similar nature. It applies to armed conflicts that take place in the territory of a State when there is protracted armed conflict between governmental authorities and organized armed groups or between such groups.
EDIT.