A father has been charged with waterboarding children after saying it would be 'a learning experience' for them. 

William Albert Province, 42, reportedly carried out the torture which simulates drowning on at least two boys and broke the wrist and fingers of a woman who tried to stop him. 

Province, of Jefferson County, Montana, is also suspected of making threats to a school

Waterboarding is an extreme form of torture which can result in oxygen deprivation to the brain and lungs. 

It also causes deep and lasting psychological distress and can even cause broken bones as the victim struggles so hard to escape.