Real Knife, Real Horror at Nashville Haunted House

The character, who the haunted house believes did work at the attraction, quickly disappeared after the stabbing.

One haunted house visitor in Nashville, Tennessee, however, got the shock of her life when she mistook a real knife for a prop and accidentally used it to stab her friend. Believing she was playing along with one of the haunted house's scenarios, she said he was.

Tawnya Greenfield, 29, told police she and friends were waiting to enter the Nashville Nightmare haunted house with friends on October 5 when a person she believed to be one of the characters and an employee at the venue asked if her friend James Yochim was bothering her.

Yochim stated that a man with skull makeup, who he thought was part of the attraction, approached Greenfield, asking if Yochim was bothering her. "I go all out for decorating".

A Nashville nightmare employee poses with a knife on the company's Instagram page.

He told USA TODAY: 'We'd had so much fun, we were jumping around. There were character actors in a courtyard space near the escape game building and carnival games where the group was standing.

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Another vehicle remained outside. "We are questioning the staff who were on duty at the time", the commissioner said. Dar es Salaam regional commissioner Paul Makonda cautioned the public against speculation.

Thinking it was a prop knife, the woman stabbed her friend and was horrified when blood started squirting out of her friend's left arm through a hole in his shirt. He says they expected the knife to be fake, "so she stabs at me with it, and everything got really black".

After the stabbing, the friend who took the knife said the unknown individual who gave it to her left with the weapon. "I didn't know. I'm so sorry", he told the paper, also confirming Greenfield's version of events.

Everything is a little hazy for Yochim around then, but he remembers coming to lying on a table with cast members trying to keep him conscious, and his friend "bawling" next to him.

The injured man and the other two friends in the group told police they did not believe the woman had any intention of harming them. No weapons are allowed inside the attraction.

Nashville Nightmare told ABC 10 that an employee has been placed on leave "until we can determine his involvement".

"We are going over all of our safety protocols with all of our staff again, as the safety and security of all of our patrons is always our main concern", it added. "His arm was gushing blood like something out of a horror scene", Greenfield said. The wound required nine stitches.