sarah beetle disappeared on tuesday. her children ages 10 and 11 are safe. she had left them in a secure area to find water after one of the kids started feeling dizzy from heat exhaustion. she is described as an experienced backpacker and hiker. the national park service is conducting an investigation. >>> we're learning new details about that chemical spill in north carolina that sent dozens of kids to the hospital. authorities say all those kids are doing much better. they were getting a swimming lesson at the ymca when they were overcome by fumes from the leaking chemicals. a problem with the fuel pump caused chemicals to mix in a way that wasn't intended. >> they said i needed to meet them at the emergency room. >> came o spitting up. then they told everybody to get out of the pool. >> i can just imagine. that pool remains closed as it undergoes repairs. witnesses say they could smell the fumes from the street. every year pool chemical injuries send 5,000 americans, mostly kids, to the er. >>> and this year's kennedy center honors could get a little awk