Dolkong (Afleet Alex--Swampoodle, by Broken Vow), the champion older horse in Korea in 2019, was euthanized Apr. 1 after suffering an injury during trackwork two days earlier. He was nine years old. Bred in Kentucky by Ellen B. Kill Kelley, the chestnut was the distant runner-up in the Korea Cup in 2018 and was part of a select Korean contingent at the 2019 Dubai World Cup Carnival, posting a 9 1/2-length victory in the Listed Curlin H. beneath Olivier Doleuze before just missing second in the G1 Al Maktoum Challlenge...