3 killed in helicopter collision that shut down part of an Oregon highway

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. By Thursday evening, officials were still working on their recovery efforts.Photos posted by the sheriff's department show a green helicopter smashed upside down in a field, while a red helicopter lies crumpled and in pieces.One of the aircraft