NBCUniversal Inc. February 11, 2018 11:28 pm Power Plant Explosion Causes Blackouts Many in Puerto Rico were without power Sunday evening after an explosion at a power plant. US & World Videos 20:50 Karen Read trial: How accounts of first responders have differed 2:43 ‘On the Dot' to redevelop stretch of Dorchester Avenue 1:49 Finalists in math competition hope their model helps ease housing crisis 14:31 @Issue extra: Seth Moulton on pro-Palestinian protests, TikTok and more 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami