(Imperial Valley 911 Memorial Stair Climb will be held Saturday evening at the Fairgrounds)...Officials say over 400 people have registered to participate in the 11th annual event.

IV 9/11 Stair Climb Committee says the participants will climb the stairs of the Grandstand at the Fairgrounds. The event starts Saturday at 6 pm. There will be vendors, fireworks and entertainment. Participants will begin walking around the track, before beginning the climb up and down the grandstand stairs. Participants will walk the equivalent of 110 stories, the same as the firefighters who lost their lives at the World Trade Center on September 11, 2001.