Israel’s envoy to the United Nations on Monday called on the Security Council to condemn a deadly terror attack a day earlier in the West Bank in which two Israelis were killed by a Palestinian co-worker.

Kim Levengrond Yehezkel, 28, a mother of one, and Ziv Hajbi, a 35-year-old father of three, were shot dead by a Palestinian gunman at the Barkan Industrial Park near the settlement-city of Ariel.

“The members of the UN Security Council should clearly condemn the murderous terror attack,” he wrote in a letter to the council. “This is your responsibility and your obligation to the Middle East and the world. And even more so for the sake of the children of Kim and Ziv who are left orphaned.”

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He also called on Palestinian Authority President Mahmoud Abbas to clearly condemn the attack.

“Instead of preaching to Israel and blocking suggestions to calm the region, [Abbas] should come out clearly and forcefully against the inciters and the terrorists who come from the Palestinian Authority,” Danon wrote. “Financing terrorists is fuel for attacks just like the one that took place in Barkan, and only by stopping the funding can you help fight against terror.”

The suspect, Ashraf Walid Suleiman Na’alowa, a 23-year-old Palestinian man from the northern West Bank, entered a factory where he was employed in the Barkan Industrial Park shortly before 8 a.m, armed with a locally produced Carlo-style submachine gun, according to army spokesperson Lt. Col. Jonathan Conricus.

Inside, he tied up and shot dead Yehezkel at close range, shot Hajbi dead and wounded another employee, Sara Vaturi.

Na’alowa, from the village of Shuweika near Tulkarem, fled the scene, prompting a large-scale search of the area and a deployment of additional troops to the West Bank to prevent copycat attacks, the army said. Security forces detained Na’alowa’s brother and sister on Monday morning.

According to the IDF, the suspect had no history of terrorist activities and was not tied to any terror groups, though several of them applauded his actions.

Earlier in the day, he had posted on his Facebook page that he was “waiting for [Allah].” A television report said he had left a suicide note with a friend several days before.

Levengrond Yehezkel was buried in her hometown of Rosh Ha’ayin in central Israel on Sunday night. She is survived by her husband and a 15-month-old son.

The funeral for Hajbi took place on Monday afternoon in the southern community of Nir Yisrael.