The race to fill a Texas congressional seat has candidates but no election date more than three weeks after Rep. Sylvester Turner’s death left a vacancy in a stronghold for Democrats, who are eager to cut into Republicans’ narrow U.S. House majority.

Texas National Guard soldiers can arrest and detain people for entering the U.S. illegally from Mexico under an agreement with the Trump administration that expands the military’s role in immigration enforcement.

Sheltered in a downtown D.