BATTLEFORWORLD.COM | April 21, 2022: The Russian President Vladimir Putin hails liberation of Mariupol, and calls off operation to storm the Azov-steel plant, where over 2,000 Ukrainian militants remain entrenched. The Russian Defense Minister Sergey Shoigu at a meeting said that Putin demanded that the plant be blocked so that "even a fly can't get in or out," and that another offer to surrender be made to those hold up at and in the undergrounds of the facility. No Bluffing: Putin Warns NATO With Test of Sarmat ICBM. The Ukrainian military studied "biological protection" according to American reference books. The documents were found at the outpost in the Kharkiv region, according to reports @rian_ru. - Russia has refused the UN Secretary General's request for a four-day Easter truce in Ukraine. "The calls for peace and a cease-fire sound very false and insincere in these conditions, which in practice mean only a desire to give the Kiev nationalists and radicals a break so that they can regroup, get new batches of drones, ATGMs and MANPADS, and simultaneously arrange new inhuman provocations," the Russian representative to the UN Security Council said.

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The Ukrainian military studied "biological protection".

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