(Update) - A series of spring tornadoes slammed North Texas killing at least 6 people injuring dozens and destroying homes.
Survivors say the tornado practically wiped out two neighborhoods.
Police say at least about a dozen people are unaccounted for, but it is not certain if they left the area on their own.
More than 50 people were taken to the hospital.
Another tornado hit the small town of Millsap, about 40 miles west of Fort Worth.
Several homes were destroyed but so far, there have not been any reports of serious injuries or deaths.
Witnesses say hail as large as grapefruits pelted some areas.
Granbury (CNN) -- Several people were killed and more than 100 were injured Wednesday night when a possible tornado cut a wide swath through north Texas, officials said.
Kathy Jividen, a spokeswoman for the Hood County sheriff's office, said there were "multiple fatalities" in the wake of the storm that touched down in Granbury.
Matt Zavadsky, spokesman for MedStar Mobile Healthcare, said there were reports of at least 100 people being injured. He said the tornado touched down several times in Hood, Tarrant, Dallas and Parker counties. Hood County EMS confirms at least 2 dead and 16 injured.
There were reports of homes in Granbury being flattened with people inside, Hood County Judge Darrell Cockerham said.
City officials were sending school buses to affected neighborhoods to help with evacuations.
The National Weather Service warned that a mile-wide tornado reported by spotters had shifted its track and was moving "right at the city of Cleburne," a community of about 15,000 people in north Texas.
"If you are in its path ... take cover immediately to protect your life," the weather service alert said.
The National Weather Service also said 32 counties in Texas and four in Oklahoma were under a tornado watch until 1 a.m. CT.
Officials hadn't confirmed that a tornado actually touched down in Dallas but said the storm was capable of producing one.