Eight dead in tornadoes across the South: 80 million people at risk as deadly ...

The death toll from tornadoes ripping across the South over the weekend has risen to eight after two more fatalities have been blamed on the storms that ravaged the South.

One of the deaths in East Texas was that of a person initially among those injured when a tornado tore through the Caddo Mound State Historical Site during a Native American cultural festival Saturday. 

Cherokee County Judge Chris Davis says the woman has died of her critical injuries.

The National Weather Service says a tornado rated EF-3 with winds of about 140 mph tore through the Caddo Mound area. 

Overhead view of the damage in the vicinity of Alto, Texas, in Cherokee County, April 13. A woman injured at the Caddo Mound Historical Site in Alto died along with another person in neighboring Houston County bringing the death toll from the weekend storms up to at least eight

Overhead view of the damage in the vicinity of Alto, Texas, in Cherokee County, April 13. A woman injured at the Caddo Mound Historical Site in Alto died along with another person in neighboring Houston County bringing the death toll from the weekend storms up to at least eight

In neighboring Houston County, the sheriff's office has confirmed one person was killed in Weches, some 6 miles southwest of Caddo Mound.

The number of those killed also includes three young boys and one 95-year-old man. 

Jace, three, and Dilynn Creel, eight, were were crushed to death in the back of their family's car in Lufkin, Texas, when a tree toppled, according to the Angelina County Sheriff's Office.  

Sebastian Omar Martinez, 13, reportedly drowned when a severe storm system tearing across the South on Saturday caused flash flooding in Bawcomville, Louisiana

Sebastian Omar Martinez, 13, reportedly drowned when a severe storm system tearing across the South on Saturday caused flash flooding in Bawcomville, Louisiana 

A GoFundMe campaign set up for the boys' heartbroken parents, Brittney and Edward Creel, who were in the front seat but made it out physically unharmed, has raised more than $10,000 toward its $20,000 goal on Sunday.

In neighboring Louisiana, 13-year-old Sebastian Omar Martinez drowned in a drainage area as flash floods took over Bawcomville near Monroe on Saturday. 

Several hours later, a person died in a submerged vehicle near Interstate 20 in Calhoun.  

A county employee in Alabama died after being struck by a vehicle while he was helping clear away trees toppled by the storm on Sunday afternoon in the Birmingham suburb of Hueytown. His name has not been released.    

Roy Ratliff, 95, was killed late Saturday in Monroe County, Mississippi, as a tornado tore through Hamilton, about 45 miles northeast of Mississippi State University. 

At least 13 twisters were reported across Texas, Missouri, Louisiana, Mississippi and Alabama on Saturday, leaving more than 150,000 homes without power.

Meteorologists warn that 80 million people are at risk of powerful storm systems moving toward the East Coast on Sunday as tornado watches are in effect in parts of Florida, Alabama and Tennessee where residents have been told to brace for hail and strong wind gusts. 

'Potential for widespread severe thunderstorms Sunday across much of the Eastern US,' the National Weather Service tweeted. 

'Damaging winds are expected to be the primary threat, but a few tornadoes are also possible. Some storms may also produce large hail or torrential downpours resulting in localized flash flooding.' 

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Three-year-old Jace (above) and eight-year-old Dilynn Creel were killed in a tornado on Saturday in Lufkin, Texas

Jace and Dilynn (above) were crushed to death in the back of their family's car in when a tree toppled, according to the Angelina County Sheriff's Office

Three-year-old Jace (left) and eight-year-old Dilynn Creel (right) were killed in a tornado on Saturday in Lufkin, Texas. The brothers were crushed to death in the back of their car when a tree toppled, according to the Angelina County Sheriff's Office

A GoFundMe campaign set up for the boys' heartbroken parents, Brittney and Edward Creel, who were in the front seat but made it out physically unharmed, raised $755 toward its $20,000 goal in just two hours on Sunday morning

A GoFundMe campaign set up for the boys' heartbroken parents, Brittney and Edward Creel, who were in the front seat but made it out physically unharmed, raised $755 toward its $20,000 goal in just two hours on Sunday morning

At least six people have reportedly been killed in tornadoes ripping across the South as meteorologists warn that 80 million people are at risk of powerful storm systems moving toward the East Coast. A car is seen stranded in a ditch in Lufkin, Texas

At least six people have reportedly been killed in tornadoes ripping across the South as meteorologists warn that 80 million people are at risk of powerful storm systems moving toward the East Coast. A car is seen stranded in a ditch in Lufkin, Texas

The aerial view above shows hundreds of trees that were flattened in the wake of a twister near Alto, Texas, on Saturday

The aerial view above shows hundreds of trees that were flattened in the wake of a twister near Alto, Texas, on Saturday

At least 13 twisters were reported across Texas, Missouri, Louisiana, Mississippi and Alabama on Saturday and through Sunday morning, leaving more than 150,000 homes without power. A wrecked home in Franklin, Texas, is seen on Saturday

At least 13 twisters were reported across Texas, Missouri, Louisiana, Mississippi and Alabama on Saturday and through Sunday morning, leaving more than 150,000 homes without power. A wrecked home in Franklin, Texas, is seen on Saturday

Tornado watches were still in effect Sunday morning in parts of Florida, Alabama and Tennessee where residents have been told to brace for hail, torrential downpours and strong wind gusts. A car is seen under a toppled tree near Alto, Texas

Tornado watches were still in effect Sunday morning in parts of Florida, Alabama and Tennessee where residents have been told to brace for hail, torrential downpours and strong wind gusts. A car is seen under a toppled tree near Alto, Texas

The map above shows parts of eastern Alabama and western Georgia that are under tornado watched through this afternoon

The map above shows parts of eastern Alabama and western Georgia that are under tornado watched through this afternoon

The powerful storm system created an intense lightning show overnight in Tuscaloosa, Alabama (above)

The powerful storm system created an intense lightning show overnight in Tuscaloosa, Alabama (above)

Hail ranging from the size of golf balls to baseballs briefly fell over Helotes, Texas late Saturday morning

Hail ranging from the size of golf balls to baseballs briefly fell over Helotes, Texas late Saturday morning

Angel Funk stands in the backyard of her Franklin, Texas, home after a tornado tore through on Saturday

Angel Funk stands in the backyard of her Franklin, Texas, home after a tornado tore through on Saturday

Two children were killed in their parents car when a tree fell on top of it. It is a different vehicle to this one which ended upside down in a ditch following a tornado in Franklin, Texas

Two children were killed in their parents car when a tree fell on top of it. It is a different vehicle to this one which ended upside down in a ditch following a tornado in Franklin, Texas

A roof is torn off a home following a tornado on Saturday in Franklin, Texas

A roof is torn off a home following a tornado on Saturday in Franklin, Texas

A powerful tornado ripped through the East Texas town causing 'significant damage'

A powerful tornado ripped through the East Texas town causing 'significant damage'

A vehicle drives through a flooded section of Muskingum Avenue on Saturday in Odessa, Texas

A vehicle drives through a flooded section of Muskingum Avenue on Saturday in Odessa, Texas

More than 30 homes were damaged when severe weather struck Franklin, Texas, on Saturday

More than 30 homes were damaged when severe weather struck Franklin, Texas, on Saturday

The food pantry at Robertson County Care in Franklin, Texas, sustained damage to both the exterior and interior as a result of the severe weather

The food pantry at Robertson County Care in Franklin, Texas, sustained damage to both the exterior and interior as a result of the severe weather

Jerry Redden takes a measurement outside Robertson County Care. Redden and others who were inside the building during the severe weather found safety by gathering in the restrooms of the building

Jerry Redden takes a measurement outside Robertson County Care. Redden and others who were inside the building during the severe weather found safety by gathering in the restrooms of the building

Ominous clouds gather as part of a weather system seen from near Franklin, Texas, in this still image from social media video

Ominous clouds gather as part of a weather system seen from near Franklin, Texas, in this still image from social media video

In Central Texas, Robertson County Sheriff Gerald Yezak said a tornado hit the small city of

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