Ukrainian athletes join military after Russian invasion

Dmytro Pidruchnyi of Ukraine shoots during zeroing in the men's 4x7.5-kilometer relay at the 2022 Winter Olympics, Tuesday, Feb. 15, 2022, in Zhangjiakou, China. (AP Photo/Kirsty Wigglesworth)

Olga Mikutina, of Austria, competes in the women's free skate program during the figure skating competition at the 2022 Winter Olympics, Thursday, Feb. 17, 2022, in Beijing. (AP Photo/Natacha Pisarenko)

Olga Mikutina, of Austria, reacts after competing in the women's free skate program during the figure skating competition at the 2022 Winter Olympics, Thursday, Feb. 17, 2022, in Beijing. (AP Photo/David J. Phillip)

Artem Pryma of Ukraine, right, tags teammate Dmytro Pidruchnyi during the biathlon 4x6-kilometer mixed relay at the 2022 Winter Olympics, Saturday, Feb. 5, 2022, in Zhangjiakou, China. (AP Photo/Frank Augstein)

Dmytro Pidruchnyi of Ukraine skis during the men's 10-kilometer sprint competition at the 2022 Winter Olympics, Saturday, Feb. 12, 2022, in Zhangjiakou, China. (AP Photo/Frank Augstein)