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A part of a mortar shell sticks out of the asphalt in Stoyanka, Ukraine, Sunday, March 27, 2022. Ukrainian President Volodymyr Zelenskyy accused the West of lacking courage as his country fights to stave off Russia's invading troops, making an exasperated plea for fighter jets and tanks to sustain a defense in a conflict that has ground into a war of attrition. (AP Photo/Vadim Ghirda)