<p>Ukraine on Monday firmly denied Russian claims that Russian forces had killed five Ukrainian "saboteurs" who allegedly crossed the border to stage an attack, heightening fears of an all-out war. "Not a single one of our soldiers has crossed the border with the Russian Federation, and not a single one has been killed today," Anton Gerashchenko, an official at Ukraine's interior ministry, told reporters.</p>.<p><strong>Watch the latest DH Videos here:</strong></p>
<p>Ukraine on Monday firmly denied Russian claims that Russian forces had killed five Ukrainian "saboteurs" who allegedly crossed the border to stage an attack, heightening fears of an all-out war. "Not a single one of our soldiers has crossed the border with the Russian Federation, and not a single one has been killed today," Anton Gerashchenko, an official at Ukraine's interior ministry, told reporters.</p>.<p><strong>Watch the latest DH Videos here:</strong></p>