<p>ZILLAH &mdash; Three horses standing on Interstate 82, east of Zillah, were killed early Wednesday when a semi-*tractor and trailer struck the animals, according to the Washington State Patrol.</p> <p>Troopers said Dennis Smith, 42, of Nibley, Utah, was westbound on the freeway shortly after midnight when he struck the horses.</p> <p>Smith, operating a 2007 Kenworth tractor and trailer, was not injured in the 12:10 a.m. accident.</p> Three horses standing on Interstate 82, east of Zillah, were killed early this morning when a semi-tractor and trailer struck the animals, according to the Washington State Patrol. Troopers said Dennis Smith, 42, of Nibley, Utah was westbound on the free WEB, LOCAL 2008-09-03T14:49:32Z 2008-09-03T15:31:30Z false 2008-09-04T15:51:00Z Horses hit, killed on Interstate 82 7289 horses-hit-killed-on-interstate-82 Web Story Yakima Herald-Republic Yakima Herald-Republic 0 2008-09-03T15:51:00Z 6355257 $n$ Horses killed in Interstate 82 published Web Daily 2009-03-20T02:27:45Z 1