A 3-foot-long ball python escaped from its cage inside a Wisconsin high school – and is believed to be hiding out inside a science lab ventilation system, school officials told The Post.

TSA Officers at MIA intercepted this Ball or Royal Python artfully concealed inside a hard drive. This organic mass was not explosive, but it shows you can’t hide any threat from us. pic.twitter ...

Jacqueline Heim told authorities the snakes were in secure cages. She suspects someone set them free deliberately this week. Heim tells CBS affiliate WRDW-TV the ball pythons are not harmful.

Kai, a three-foot-long ball python was on the loose somewhere inside the school premises after it escaped its cage by knocking off its lid. INTERNATIONAL BUSINESS TIMES NEWSLETTER SIGNUP ...