Almost 800 rescued in St. John the Baptist Parish after Hurricane Ida
At least three people have died as a result of the storm.
Ida is barreling through Louisiana after making landfall in the state as a powerful Category 4 hurricane on Sunday afternoon.
It was one of the strongest hurricanes on record -- by both wind speed and pressure -- to roar ashore in Louisiana.
Ida, now a tropical storm, is hitting on the 16-year anniversary of Katrina, a Category 3 hurricane that ravaged the Gulf Coast. Hurricane Katrina unleashed a series of events, taking the lives of more than 1,800 people and leaving more than $100 billion worth of damage in its wake.
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1st death from Ida confirmed
One death from Hurricane Ida has been confirmed in Ascension Parish, located between Baton Rouge and New Orleans. A 60-year-old man was pronounced dead Sunday night after a tree fell at a home in Prairieville, the state's Department of Health said.
The Ascension Parish Sheriff's Office is receiving "numerous" calls for trees into homes, Sheriff Bobby Webre told ABC Baton Rouge affiliate WBRZ.
-ABC News' Matt Foster
More than 1 million without power in Louisiana, Mississippi
More than 972,000 customers in Louisiana are without power due to deadly Hurricane Ida.
Power is knocked out for another 28,000 customers in Mississippi.
-ABC News' Darren Reynolds
Power won't be restored to New Orleans Sunday night
Hurricane Ida has knocked out all eight transmission lines in the New Orleans area, Entergy said. Power will not be restored Sunday night, the energy company said.
Ida, one of the strongest hurricanes to ever make landfall in Louisiana by both wind and pressure, weakened to a Category 2 hurricane at about 10 p.m. ET.
One of the highest wind gusts recorded was 138 mph in Dulac, Louisiana, located in Terrebonne Parish.
The storm surge has climbed over 6 feet in some areas and flash flood emergencies remain in effect.
-ABC News' Melissa Griffin
More than 800,000 without power in Louisiana, Mississippi
More than 789,000 customers in Louisiana are without power as of 9 p.m. ET. In Mississippi, more than 16,000 have lost power.
Flash flooding is ongoing in the New Orleans area where there's already been 4 to 7 inches of rain.
2nd Ida-related death confirmed
The Louisiana Department of Health announced Monday afternoon that a second person has died from Hurricane Ida.
The unidentified man "drowned after his vehicle attempted to go through floodwater near I-10 and West End Blvd. in New Orleans," the health department tweeted.