Footage of a stabbing attack on a West Bank supermarket on Wednesday emerged on Thursday, showing the assailant set upon two men with a knife from behind before being chased through the store.

Two Israelis were moderately injured in the attack, at a branch of the Rami Levy discount chain in Mishor Adumim, an industrial zone east of Jerusalem.

Police said they are treating the incident as a terror attack.

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The clip shows the two men with carts in the wine section of the store, deep in the supermarket.

The terrorist stands for several seconds between the two men before suddenly hitting one over the head with what appears to be a knife. He briefly tussles with another man, apparently injuring him too and then flees.

In footage from a different camera, the terrorist is seen sprinting through the store with his weapon raised as shoppers scatter, and one man with a red shirt chases him from behind with his handgun drawn.

The assailant was identified as a 16-year-old Arab youth from the West Bank town Al-Azariya on the outskirts of Jerusalem, who arrived at the supermarket with two accomplices from his hometown.

He was brought before Israel’s Shin Bet security service on Thursday for interrogation.

The shooter was an off-duty guard who works as part of Prime Minister Benjamin Netanyahu’s security detail and happened to be in the store.

One of the first to come to the victims’ aid was a relative of slain Palestinian teenager Muhammed Abu Khdeir, who was murdered by suspected Jewish extremists in July.

Mahmoud Abu Khdeir, a store employee and cousin of the deceased youth, rushed to the assistance of the stabbing victims after the attack.

“When I arrived at the scene, I saw a 60-year-old man with head injuries. [He was losing blood] so I stanched his wounds with toilet paper,” Abu Khdeir told Ynet Thursday.

“These are the values my family instilled in me. If someone’s wounded – you go help him,” he said.

Abu Khdeir was among the several supermarket workers who rushed to help the victims and pin down the terrorist. One of the stabbing victims, Zohar Limor, 50, a paramedic, was in touch with the emergency services and instructed a worker to assist him in stopping his own bleeding until an ambulance arrived.

Daniel Nissim, as well as several other Rami Levi employees, pounced on the terrorist after he was shot.

Abu Khdeir, who was working at the time in the supermarket’s stockroom, said that he had no second thoughts about rushing to aid the casualties — who were Jewish — despite the circumstances surrounding his cousin’s murder in early July.

The body of 16-year-old Muhammad Abu Khdeir of Shuafat was found in a Jerusalem forest hours after he was abducted and burned alive by Jewish fanatics in response to the murders of three Israeli teenagers – Naftali Fraenkel, Gil-ad Shaar and Eyal Yifrach — by Palestinian terrorists.

The prime suspect in that case has pleaded insanity.

The extended Abu Khdeir family is the largest family in the East Jerusalem neighborhood of Shuafat, comprising some 800 people, according to The Forward.

The kidnapping and murder of the Israeli teens along with the kidnap and murder of Abu Khdeir, among other factors, sparked a 50-day war in Gaza between Israel and Hamas as well as riots in Jerusalem that increased in ferocity over the summer and autumn.

Lazar Berman contributed to this report.