Transcript for Puerto Rico's governor begs the federal government for help after Hurricane Maria
We turn now to the growing emergency unfolding in Puerto Rico. The governor begging for help after hurricane MARIA, calling this a humanitarian disaster. 3.4 million U.S. Citizens live there. And look at this satellite image of the island, lit up in July. And now this image from the middle of the night, just in the days after MARIA struck. Most of the island in darkness. ABC's Eva pilgrim tonight taking us flying over Puerto Rico in a helicopter, and you will see where the eye of the hurricane hit. Reporter: Tonight, new pictures of the devastation in Puerto Rico, as the island's governor pleads for more federal help, calling hurricane MARIA's destruction a "Humanitarian disaster" for its 3.4 million U.S. Citizens. We are many days removed from hurricane MARIA making landfall, and you can see, there are still several neighborhoods that are flooded. Home after home ripped to shreds. Mudslides leaving homes teetering on the edge. The ground they were built on gone. On the ground, fear of a catastrophic failure at the guajataca dam. 8,000 residents told to get out now. The crew that's behind us, they walked about two miles to gain access to a person who we knew needed help. Reporter: A struggle for basic necessities in the swelteriswelter ING heat. We met Jose Vidal standing in the sun, trying to get a day's worth of generator fuel. Cult off from family. You haven't talked to your family to let them know you're act yet? No, no. My mom, I haven't spoken to her. Reporter: We let him borrow our phone. Hey, ma. How you doing?@ I'm okay. I'm all right. Doing okay. Doing the best we can. Reporter: A moment of contact amid all this isolation. So powerful to watch those phone calls. Families connecting. Eva with us live tonight. And Eva, there's been some progress involving commercial flights in and out of Puerto Rico? Reporter: That's right, David. The FAA says there are about a dozen flights in and out of San Juan each day, and ridesing. But MARIA destroyed some critical navigational systems. They are having to use chain saws to get to one of the main radar sites to repair it. David? Eva pilgrim, the work months and years to come. Thank you.
This transcript has been automatically generated and may not be 100% accurate.