HOUSTON – An investigation is underway after two men died when their car went under an 18-wheeler in north Harris County Sunday, deputies said. Deputies said the incident happened on FM 1960 near Richey Road around 10:30 p.m. According to deputies, the big rig was trying to make a U-turn when a sedan went under it. Investigators said they found open containers in the car and the driver didn’t have their lights on.