PORT TOWNSEND, Wash. (AP) — Authorities say a Washington State Trooper and another driver were seriously injured in a crash along U.S. Highway 101 In Jefferson County, Washington. KOMO reports the trooper, a commercial vehicle enforcement officer, had pulled over a semitrailer for a violation at about 10 a.m. Tuesday when the trooper was struck by a second vehicle. The driver of that vehicle is suspected of DUI. Both the trooper and the suspected DUI driver were airlifted to Harborview Medical Center in Seattle with serious injuries. The driver of the semitrailer was unhurt.