ALL hell broke loose at a festival in central China when a freak mini-tornado swept a jumping castle full of kids up in to the sky.

Watch footage below!

According to news.com.au, parents and festival-goers watched in helpless horror last Sunday afternoon as the swirling wind engulfed the jumping castle, hurtling it into the air.

Two kids were reported to have died at the scene in the freak incident. At least 20 other kids were injured, one apparently seriously.

The “dust devil” was about 9 meters wide and twisted through the festival and its stalls for about four minutes, causing major destruction.