Power at a critical nuclear plant in Ukraine was all but cut off on Monday for the second time in two weeks as Kyiv accused Moscow of pushing the war to the brink of nuclear catastrophe, one day before the U.N. nuclear watchdog was due to issue an assessment of the Zaporizhzhia power station. .
Ukraine and Russia have accused each other of risking catastrophe by shelling near the plant, which officials said disrupted power lines and taken the sole remaining reactor at Europe's largest nuclear plant offline.
