LADWP July 8, 2017 11:40 pm Power Plant Explosion Causes Massive Blackout Heavy flames and explosions at an LADWP plant left 140,000 Valley customers without electricity. Rick Montanez reports for the NBC4 News at 11 on Saturday, July 8, 2017. US & World Videos 3:14 LAPD officers return to USC amid pro-Palestinian protest 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:42 USC students share thoughts on cancelation of main commencement 0:45 Where will the 2025 NFL draft take place? 1:23 NFL draft prospects continuing family legacies