Ukrainian President Volodymyr Zelensky on Thursday slammed Israel for its refusal to sanction Russia during an address by the Jewish leader to the Hebrew University of Jerusalem.

Zelensky’s speech came as the war with Russia completed four months. Israel is currently under a political crisis which might see Naftali Bennett being replaced as prime minister by Foreign Minister Yair Lapid within days.

Bennett has refrained from criticising Russia’s invasion and stressed Israel’s close ties with Moscow and Kyiv. His administration has not imposed sanctions on Russian President Vladimir Putin’s government.

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Lapid, however, had condemned Russia’s actions as a “violation of the world order.”

Experts believe that the contrasting rhetoric was aimed at safeguarding Israeli neutrality.

Zelenksy, who has family in Israel and visited the country several times, told Hebrew University in a video address Thursday that he has struggled to understand Israel’s soft approach towards Russia.

“How can you not help the victims of such aggression,” Zelenksy said. “I don’t how to answer the questions that I always get about how has Israel helped and what else can Israel do.

“I am grateful to the people of Israel. I am grateful for the sincere and emotional support to the people of Ukraine… but we would like to also get support from your government,” he added.

Israel’s government has sent humanitarian and medical aid to Ukraine, but has steered clear of sending any arms.

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In Thursday’s speech, Zelensky noted that the childhood home in Kyiv of former Israeli prime minister Golda Meir was “five minutes” from his presidential office.

“Please remember how much we are linked, how close our ties are, what should be the level of understanding between us,” he said.

“Why we have this miscommunication, misunderstanding with representatives of the government, I don’t know.”