Family members Shaun and Zabar McKellar, 15-year-old son Kason and grandfather Billy McKellar, 79, died in the June 28 multi-vehicle car crash on Interstate 20 in Terrell, Texas, NBC News and CBS News reported,

Authorities say the driver of an 18-wheeler fell asleep at the wheel before plowing into stopped traffic on a Texas highway, killing four members of one family. KXAS’s Sophia Beausoleil has the details.

Four members of the same Fort Worth family were killed and one remains in critical condition after a big rig driver fell asleep at the wheel Saturday afternoon and collided with stopped traffic, the Texas Department of Public Safety said.