Boy and girl killed, 4 others airlifted to hospital, after SUV loses control and crashes in Bexar County.

Just after 6 p.m. a Suburban was going northbound on the access road of Loop 410 and Old Pearsall Road. After crossing the intersection, the man and woman in the front two seats were seen arguing by a witness, according to police.

Police said the same witness said they saw the vehicle swerving in and out of traffic before the driver, later indentified as Rigaberto Morales, lost control and the vehicle rolled.

There were six passengers in the Suburban and two children, a boy and a girl, later identified as Rebecca Morales, 7, died, according to police. There is no word on the condition of the other four passengers but two were taken to area hospitals via AirLIFE.

Police said none of the six passengers were wearing seat belts. A cause of the accident has not yet been determined.