Demonstrators in Poland's capital on Monday attacked Russia's ambassador with red paint and prevented him from laying flowers at a cemetery for Soviet soldiers to commemorate the victory over Nazi Germany. When the delegation led by Russian Ambassador Sergei Andreev appeared at Warsaw's Mausoleum Cemetery, hundreds of protesters opposed to Russia's war in Ukraine greeted them with shouts of "murderers" and "fascists." While Andreev was stuck in the crowd, two bags of red paint hit him in the head, first from behind, then directly in the face. The demonstrators then prevented him from laying flowers and a memorial wreath for...