@CNN: An explosion and fire at a power substation caused a blackout in parts of northern Puerto Rico on Sunday, according to authorities https://t.co/AiNkCTtSx6
An explosion and fire at a power substation caused a blackout in parts of northern Puerto Rico on Sunday, according to authorities https://t.co/AiNkCTtSx6
— CNN (@CNN) February 12, 2018