South Korean man says that he descended into Hell for 8 hours after a suicide attempt

 https://www.dailymail.co.uk/news/article-15242839/Hell-devil-heaven-near-death-experience.html 

When a person has an otherworldly experience, it can be difficult to prove it to others.

https://www.facebook.com/lilagracerose/videos/meet-steve-kang-he-attempted-suicide-and-spent-8-hours-in-hellafter-years-of-pra/768229419376989

https://www.christianpost.com/news/buddhist-monk-turned-pastor-describes-visiting-hell.html