(YAKIMA, Wash.) — Several students were injured at a Washington state high school on Wednesday when strong wind gusts caused a bounce house to flip over.Officials at Zillah High School, near Yakima, said five students were injured when the inflatable play area went airborne during an outdoor event.The school did not specify the injuries, but local authorities said one victim was in critical condition and had to be airlifted from the scene. The students were tethered into the inflatable at the time.”Five students were involved in the incident. The nature and extent of the injuries are unknown at this time,” the school said in a statement. “Our hearts go out to the students, parents and staff of those involved.”Zillah High School said it is investigating the incident.Copyright © 2019, ABC Radio. All rights reserved.