The order follows a surprise attack by Hamas launched from Gaza on Sunday.

Israel has said it is expanding its operations in Gaza.

Ahmed Barhoum lost his wife and their five-year-old daughter, Alaa.

These maps and images show what's left of Gaza, 1 year into the Israel-Hamas war

Israeli forces storm Khan Younis in south Gaza, killing scores of Palestinians

Israel's new Gaza grid maps add to confusion and anger for Palestinians

Israel-Hamas War: Al-Aqsa compound and Jerusalem's violent history

So, what exactly is genocide - and how do you define it?