Transcript for Residents of Puerto Rico facing long recovery after Hurricane Maria
and bill Cassidy. We want to move to pueo Rico. Concerns that dam could fail at any moment. Thousands of people under a flash flood warning. Eva pilgrim is right there. Reporter: This morning rngs uncertainty in Puerto Rico. Many anxiously waiting and watching the dam. Authorities fearing lit collapse at any moment. Water rushing through a partially collapsed spillway. Nearly 8,000 people downstream being told the to get out. All across the island, calls for help. Call 911 five or six times. And they never responded. Reporter: International red cross and aid worker pouring in. ABC news riding along with those crews on a delta relief flight to get help and much-needed supplies on the ground. One of the major hurdles, communication. Cell phone service is nonexist tent. Many families still not able to connect with loved ones in other areas. My family lives in the west side. I wept yesterday trying to get there. But then, they -- the highway was closed. Reporter: This morning, many families are desperate. Focused on basic needs. With no power. Most are using generators. Now, days after MARIA made landfall, they need gas to keep them going. Creating long lines at gas stations. With no guarantees of actual gas. How long have you been waiting? For three hours. Reporter: Are you going to try again tomorrow? Sure. Be here early as possible. Reporter: And the governor here has extended the the curfew in definitely. He's telling people to stay off the the streets from 7:00 P.M. Until 5:00 A.M. Eva pilgrim reporting. It's time for the weather. Rob Marciano is in Atlanta for
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