Hamas
The president had previously expressed shock at what he described as “confirmed” images of terrorists decapitating young children.
The defence secretary said the Palestinian militants were targeting "innocent civilians".
As Israel’s government implements “a complete siege” on the region, Gazan civilians have nowhere to turn.
The president said the militants responsible for the October 7 attack do "not stand for the Palestinian people's right to dignity and self-determination".
Shani Louk, a German-Israeli tattoo artist, was among thousands of attendees partying at the Supernova festival early on Saturday morning.
The foreign secretary said there was no "equivalence" between Tel Aviv's right to defend itself and Hamas terrorism.
More than 700 people have been killed in the country.
The former president oh-so-modestly assessed the possibility of such an incident on his watch.