New footage has emerged showing the final heroic act of an off-duty British-Israeli soldier who threw back seven grenades targeted at a shelter by Hamas gunmen during the attack on a music festival on 7 October.

Aner Shapiro was killed when the eighth grenade thrown at him went off in his hand as he attempted to defend his fellow festivalgoers.

A four-minute dashcam video from a nearby car was posted on Telegram by South First Responders, a group that shares material on the attacks by Hamas.

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At one point, a person runs out of the shelter and appears to be gunned down by the Hamas fighters, who can also be seen firing bullets into the shelter.

The footage goes on to show several gunmen tossing grenade after grenade into the shelter which are thrown out by the 22-year-old staff sergeant until he dies.

His grandmother Yamima Ben-Menahem told Sky News last month how he valiantly stood up against the militants and did his best to keep people calm.

“They were trying to get out of the party and then there were alarms and there were missiles,” she said.

“And they went into a shelter he was with his friend Hersh Goldberg but there were about 30 other people there.

“First of all he calmed them down saying the army was only half an hour away and he was sure everything was going to be okay.

“He was a natural leader, wherever he was.”

She added: “He just stood there and threw back one grenade after the other.

“From what his friends told us he managed to throw back about seven grenades, and then the last one exploded in his hands.

“The people who survived started calling us after they found out who his family was and one after the other said ‘he saved our lives’.”

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The Supernova festival near Re’im in southern Israel was attended by several hundred people when Hamas gunmen opened fire.

At least 260 bodies people were killed and many were kidnapped.

It was among several sites targeted by Hamas during its co-ordinated, multi-pronged and unprecedented surprise assault on Israel.