Two killed in Atascosa County crash in Arkansas

Thick fog may be to blame for a crash that killed two people and left four others seriously hurt this morning in Atascosa County, officials said.Trooper Jason Reyes with the Department of Public Safety said the driver of a southbound Chevrolet pickup on Texas 16 just south of FM 140 was trying to pass another vehicle when he collided head-on with a northbound Ford F-350.A third vehicle traveling south then collided with the two trucks.The Chevrolet pickup's driver, 40, was dead at the scene. A 57-year-old Houston man in the rear of the pickup also died.Their names haven't been released pending notification of relatives.Two other people in the Chevrolet truck and the drivers of the other two vehicles were rushed to area hospitals with serious injuries. Their conditions weren't immediately known.