Nearly 1,000 last-ditch Ukrainian fighters who had held out inside Mariupol’s pulverized steel plant have surrendered, Russian said Wednesday, as the battle ... drew toward a close....The Ukrainian fighters trooping out of the ruined Azovstal steelworks that became the last stronghold of resistance in the city face an uncertain fate. Some were taken by the Russians to a former penal colony in territory controlled by Moscow-backed separatists....Russia’s main federal investigative body said it intends to interrogate the surrendering troops to “identify the nationalists” and determine whether they were involved in crimes against civilians.The Russian parliament was scheduled to consider a...