UVALDE, Texas -

Several children were taken to University Hospital by medical helicopter after the school bus they were riding in rolled over near Uvalde.

The accident happened sometime late Thursday afternoon on FM 140 about three miles southeast of Uvalde.

It is not known how many children were aboard the United Independent School District bus, but at least three medical helicopters transported children to University Hospital in San Antonio for treatment.

The extent of their injuries is not known, nor is their destination.

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