USA Today
By Rick Jervis, William M. Welch and Alison Bath
Carlo Maltese and his dog Pin ride in a boat after being rescued from his flooded home as Hurricane Isaac hits Wednesday, Aug. 29, 2012, in Braithwaite, La. (David J. Phillip /AP Photo)
Officials began releasing water at a lake dam that threatened to break near the Louisiana-Mississippi border, flooding a rural area, as Isaac weakened to a tropical depression on Thursday.
Louisiana Gov. Bobby Jindal called the situation in the Tangipahoa Parish area "the biggest challenge" the state faced Thursday and said 40,000 to 60,000 would be affected if the dam breaks. Search-and-rescue teams have been evacuating residents within a one-mile area throughout the day. Two nursing homes also have been evacuated.
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