RT News - May 28, 2019 (17:00 MSK)

Serbia puts its military on full alert after Kosovan police units enter the disputed territory's Serb-dominated north, making a string of arrests. Bracing for battle: the US vice-president tells military academy graduates they should be prepared for active service across the globe, including in Europe. And, teachers in Finland warn Muslim students against fasting during the holy month of Ramadan, saying it affects their concentration in class.