Russia said that nearly 700 more Ukrainian fighters had surrendered in Mariupol, although commanders are still holed up in tunnels beneath the giant Azovstal steelworks, a pro-Russian separatist leader said. #Russia #Ukraine #Mariupol #Azovstal #News #Reuters Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en