The Puerto Rico Electric Power Authority, known as PREPA, said a tree fell on a major power line, knocking out service to 870,000 customers, about half its clients. The utility tweeted an image it said was of the tree that fell across a power line near the southeast mountain town of Cayey.
Puerto Rico's Electric Power Authority tweeted an image it says was of the tree that fell across a power line near the southeast mountain town of Cayey.