SAN JUAN, Puerto Rico—A big fire erupted Wednesday at an electricity plant that powers most of Puerto Rico, and a blackout swept across the U.S. territory of 3.5 million people. Two transmission lines of 230,000 volts each failed for reasons still being investigated, the Electric Power Authority said. Spokeswoman Yohari Molina said in a phone...

Source: Wall Street Journal September 21, 2016 22:27 UTC