An Act to provide for the detention, prosecution and punishment of persons for genocide, crimes against humanity, war crimes and other crimes under international law.
3 (2) The following acts or any of them are crimes within the jurisdiction of a Tribunal for which there shall be individual responsibility, namely:-
(d) War Crimes: namely, violation of laws or customs of war which include but are not limited to...plunder of public or private property, wanton destruction of cities, towns or villages, or devastation not justified by military necessity;
Attacking or bombarding towns, villages, dwellings or buildings which are undefended and which are not military objectives - IAC
Extensive destruction of property - IAC
EDIT.