Also a top story tonight... Gusty winds near yakima caused a bounce house to flip at zillah high school, injuring several students-- one was airlifted with critical injuries..

Thanks for staying with kxly, this is nightside, i'm aaron luna.

Kyle simchuk is tracking the very latest -- he also checked in with one local vendor about the safety steps they take.

This is certainly not the first inflatable related accident -- usa today reports injuries have sky rocketed in recent years, the consumer product safety commission estimates more than 17,000 kids suffered bounce house related injuries in 2013.

A tragic accident at zillah high school, students caught inside a bounce house as it goes airborne... Christopher molina sophomore 00:00:31 7-15 "everybody was having a good time, all the students, and out of nowhere we saw the bouncy house go up pretty high in the air and it came down and hit the cement."

:10cell phone video capturing only a small part of the christopher molina ran into -- tangled in the toy.

00:00:58pulled the string and i untied her stuck to something and it was bending her leg back and i took her off and she got free and she's okay now."

:10five students were taken to the hospital, one was airlifted in critical condition.

We showed the video to blake larson, owner of bounce n party rentals in spokane.

04:25:30"that's every parent's worst nightmare.

Really, really unfortunate to see that."

He's been in the bounce house rental business for óóóóóó years and says he's never had anyone injured.

04:25:08 54-59"each bounce house is a little bit different.

But there is printed rules on each one for you to look at."

:06larson says it's important to follow the manufacturers posted instructions.

04:24:19"there's different things you want to do, make sure you're using stakes or weights to weigh it down and straps to tie it down."

:08a d-o-t weather station in zillah reported sustained winds at 12 miles per hour with gusts up to 16.

It's unclear what caused the accident in the first place.

00:01:44"it was pretty crazy.

I don't know how this could happen here."

:05 the zillah school district says the extent of the student's injuries is unknown tonight, however one witness says two girls broke their legs.

The district is investigating.

I'm Kyle Simchuk kxly4 nightside.