>> Puerto Rico's economy was already fragile before Hurricane Maria barreled into the island. But the strongest storm to hit the US territory in nearly 90 years stands to do even more damage to its financial health. Power and running water are out for nearly all the island's 3.4 million US citizens.
Banks are shuttered, people lining up for gas to power generators. Reuters correspondent Dave Graham is in San Juan.>> For the time being those businesses that are still operating and are doing so with the aid of generators powered by diesel and what scant supplies they can get their hands on.
And a lot of the businesses we've spoken to say that either in the next one, two, three, four days their generators or whatever they have to keep things taking over are gonna run out. And once they run out then people start being told to go home, laid off temporarily or whatever it is but business basically just grinds to a halt.
>> Struggling under $72 billion in debt, Puerto Rico filed the biggest government bankruptcy in US history this year. The unemployment rate before the storm was 10%, and the poverty rate over 40%. But the storm was devastating, hospitals are in a perilous state. Health officials warning, anyone in need of treatment should fly to the US mainland, if possible, as another catastrophe looms.
The massive Guajataca dam is threatening to fail. Some 70,000 people downstream have been ordered to evacuate. Authorities say the structure could burst at any time. If it does, the flooding would be life threatening. The National Weather Service warning, stay away or be swept away.