The video shows hundreds of people stuck at the Medyka border crossing in Shehyni, Ukraine, waiting to enter Poland on Feb. 25. Read more: https://wapo.st/35aUYMD. Subscribe to The Washington Post on YouTube: https://wapo.st/2QOdcqK Follow us: Twitter: https://twitter.com/washingtonpost Instagram: https://www.instagram.com/washingtonpost/ Facebook: https://www.facebook.com/washingtonpost/