Four martial artists from Butler County medaled in the 2006 International Legacy and Unity Championships in Las Vegas this weekend.

Master Robert Zang, head of the Young Brothers Tae Kwon-Do Institute in Cranberry Township, earned a gold medal in patterns and Bill Crissman, a student at the Young Brothers' school in Butler, received a gold in sparring and a silver in patterns.

Michael Sybert, 16, of Valencia, earned silver medals in patterns and sparring. The Mars High School junior is a student at the Cranberry Young Brothers school.

George Shirk, 16, of Cranberry Township, and Sybert also earned a silver for team patterns. Shirk also trains at the Cranberry School.

The three-day event, held at the Alexis Hotel Resort, included competitors from 10 countries. The event was sponsored by the U.S. Tae Kwon Do Federation.

Also attending was Master Tim Curci, instructor of Young Brothers' Butler school.