A tow truck worked at midday Thursday to take away UPS trailers soon after a crash early in the early morning on Interstate 90 that killed two adults and a child from Yakima. Washington State Patrol Easton, WA A music teacher from Yakima and his 10-year-old daughter were killed Thursday along with his cousin in a head-on crash on Interstate 90 when a Tri-Cities truck driver lost control. The Yakima man’s wife and the couple’s son, 6, were injured, one of them critically, according to the Washington State Patrol. The truck driver, Danny Ellingford, 43, of Pasco, was not hurt. The crash happened about 10 miles east of Snoqualmie Pass…