Powerful storms that rolled across the South on Saturday spawned at least two suspected tornadoes, damaged homes and killed two children in Texas, authorities said.

Lufkin is about 115 miles (185 kilometers) northeast of Houston. Additional information was not immediately available.

In Central Texas, Robertson County Sheriff Gerald Yezak told The Associated Press a tornado hit the small city of Franklin, overturning mobile homes and damaging other residences. Franklin is located about 125 miles (200 kilometers) south of Dallas.

The National Weather Service said preliminary information showed an EF-3 tornado touched down with winds of 140 mph (225.3 kph). Crews will continue to survey the damage over the next few days.

Two people were hospitalized for injuries not thought to be life-threatening, while others were treated at the scene for minor injuries, Yezak said. Some people had to be extricated from their homes.

Weather service meteorologist Monique Sellers said they've received reports of downed trees, as well as damage to buildings and a transmission tower.

The storms are part of a large system moving through the southern United States, knocking out power to thousands and causing some flash flooding. The weather service said the system is expected to shift to the Ohio Valley and the Southeast on Sunday. More than 140,000 customers remained without power in Texas, Mississippi, Louisiana and Arkansas late Saturday.

Meteorologist John Moore said a possible twister touched down Saturday in the Vicksburg, Mississippi, area. No injuries have been reported, but officials said several businesses and vehicles were damaged. Trees were down throughout the hilly city on a bluff overlooking the Mississippi.

Heavy rains and storms continued to rake the Magnolia State into the night, with Mississippi State University's 21,000 students huddling in basements and hallways as a tornado came near the school's campus in Starkville.

University spokesman Sid Salter said some debris, possibly carried by the tornado, was found on campus, but no injuries were reported and no buildings were damaged.

Trees were down and at least some minor structural damage was reported in residential areas east of the campus.

Winds of up to 60 mph (96.56 kph) were reported in Cherokee County, Texas, damaging two homes in Alto but not injuring anyone. Alto is situated about 140 miles (225 kilometers) north of Houston.

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