Police say the driver in the wreck early Monday suffered minor injuries in the apparent DWI-related accident. Police say he's expected to be charged with three counts of intoxication manslaughter and two counts of intoxication assault.
Names of the woman and two children who died at the scene were not immediately recently. The two injured youngsters were transported to a San Antonio hospital. Further details on them weren't immediately available.
Police are trying to determine whether the six people are related.