A Texas Highway Patrol trooper died Wednesday afternoon following a crash with a semi-truck while attempting a traffic stop in northwest Texas, state officials said.

Fatal crash in Texas What we know: Trooper Sergio Romero, 27, was killed on the scene along U.S. Highway 287 near Childress around 4 p.m., according to the Texas Department of Public Safety (DPS).

Investigators said Romero was attempting to pull over a vehicle when a semi pulled out in front of his patrol unit, causing a collision.