Teachers have been on strike for three days in Columbus, Ohio, demanding smaller class sizes and improvements. The school year began remotely for the district’s 47,000 students who are being taught by substitute teachers. Educators in other cities where tensions remain high are closely monitoring Columbus and weighing strikes themselves. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC …

Ukrainian President Volodymyr Zelenskyy and first lady Olena Zelenska attend a prayer session for Ukraine to mark the country’s 31 years of independence from the Soviet Union. SUBSCRIBE to ABC News on YouTube: https://bit.ly/2vZb6yP Latest updates: http://abcnews.go.com/ Watch FULL EPISODES on Hulu: http://abcn.ws/3bzvQQn #abcnews #ukraine #independenceday #ukrainewar Original source (ABC/Youtube)

NBC News’ Ron Allen speaks to New York City Mayor Bill de Blasio about a potential lockdown in the city as a new round of coronavirus cases surge. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. …