Six people are in the hospital after the SUV they were occupying rolled over because of a crash at 12:50 p.m. Thursday on Interstate 35 near mile marker 364 in Hill County.
Officials said a truck tractor had a blowout towing heavy drilling machinery that was thrown from the trailer causing the SUV to rollover.
Three adults and three children out of Dallas were transported to Baylor Scott & White Hillcrest in Waco with minor injuries. The truck driver was treated at the scene.
DPS Officials said the back up on I-35 is seven miles northbound and the main lanes are closed. Southbound traffic is moving at about 30 mph due to on lookers.