2 dead in overnight accident in Rio Grande City

An investigation is underway right now into an overnight accident that claims 2 lives in Rio Grande City. There are few details at this time, but here is what we know. According to witnesses, it happened late last night off Alvarez Rd. The Texas Department of Public Safety confirms one person died at the scene, another died on the way to the hospital. Right now, it is not known what caused the accident. The identities of the victims have not been released.