Two helicopters collided and crashed into a farm field Thursday near a small airport southwest of Portland , Oregon , killing all three people on board and forcing the closure of a key highway, authorities said.

The crash killed 38-year-old Tyler Sturdevant, a pilot from Oregon, 22-year-old Maddie Aasbo, a flight instructor from Texas , and a student pilot from the United Kingdom , whose name has not been released, Yamhill County Sheriff Sam Elliott said during a news conference. Aasbo and the U.K. student pilot were on one aircraft, while Sturdevant was on the other, according to the sheriff's office.

Emergency crews responded around 2:15 p.m. following reports of a crash a few miles east of the McMinnville Airport, according to the sheriff’s office.…