Defense Minister Ehud Barak on Saturday expressed sorrow at the death of former prime minister Yitzhak Shamir, saying he acted all his life as an "uncompromising and focused granite rock."

"In the underground, in the Mossad, in the governments of Israel and as prime minister, Yitzhak Shamir always strove to ensure Israel's freedom," Barak stated.

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The defense minister added that Shamir "asked himself only what is good and right in the struggle for Israel's security, what is good and right for the people of Israel, and thus he acted."