Explainer: Have war crimes been committed in Israel and Gaza and what international laws apply?

The UN has said there is evidence that international humanitarian law may have been breached by both sides in the conflict

Palestinians look for survivors after an Israeli strike in Rafah, Gaza Strip.

The United Nations has said “there is already clear evidence that war crimes may have been committed” by Hamas and the Israeli military since 7 October and that it is gathering evidence for potential prosecutions.

Which laws apply to the Israel-Hamas war?