DES MOINES, Iowa (AP) — The Hy-Vee grocery chain is planning to honor athletes with Iowa ties who competed for the United States in the London Olympics. The event will be at 11 a.m. Saturday at Drake University’s Knapp Center in Des Moines. Hy-Vee says in a news release that confirmed participants include Gabby Douglas, who won two gold medals in gymnastics; her coach Liang Chow; runner Lisa Uhl; and Miranda Leek, who competed in archery. Gymnast Shawn Johnson also will attend the event. Doors will open for the free event at 10 a.m.