Russia-Ukraine live news: Azovstal fighters ‘under investigation’

Report of Azovstal fighters’ fate comes as Russia intensifies its assault on eastern Ukraine and NATO warns of a protracted war.

• TASS news agency says two top Ukrainian commanders who defended Mariupol’s Azovstal steel plant have been transferred to Russia for investigations.
• Luhansk’s Governor Serhiy Haidai says he is preparing “for the worst” as Russian forces intensify their assault on eastern cities.
• Ukraine’s military says it has suffered a setback in Metolkine, a village…