NEW ORLEANS (AP) - More residents of storm-ravaged Louisiana are being asked to leave their homes.
Officials in St. Tammany Parish have ordered a mandatory evacuation of areas south of the Pearl River diversion canal. The officials are worried a lock on a canal will fail. Authorities say the order could affect anywhere from several hundred to 2,000 residents in the rural area north of Slidell.
The number of homes and businesses without power in the aftermath of Hurricane Isaac in Louisiana is down from more than 900,000. But more than 400,000 are still in the dark.
In New Orleans, most of the downtown area and the French Quarter are back on line.
Meanwhile, the remnants of Hurricane Isaac are pushing their way up the Mississippi valley, spinning off severe thunderstorms and at least four tornadoes. The National Weather Service says two twisters touched down in rural areas of north-central Illinois and at least two touched down in rural southeast Missouri. There are no reports of damage in Illinois. Missouri officials say some power lines caught on fire.
The storm has dumped up to 5 inches of rain in parts of Illinois. And the National Weather Service says it's bringing more rain and some drought relief to parts of the Mississippi and Ohio River Valleys.
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