A possible dam failure near the Tangipahoa River has prompted authorities to issue mandatory evacuations of 60,000 residents in nearby communities in both Louisiana and Mississippi.
Tune to CNN for continuing coverage of the aftermath from Tropical Storm Isaac.
Isaac claims fatality as thousands forced to evacuate
Isaac slashed its way further inland Thursday, claiming its first fatality and stranding residents in flood-prone areas even as it threatened to wreak more havoc in the days to come.
Mississippi and Louisiana announced mandatory evacuations for all low-lying areas along the Tangiaphoa River.
A dam at 700-acre Lake Tangipahoa has not breached, "but has been badly damaged by heavy rains," the Pike County Emergency Management Agency said.
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