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MOUNT LEBANON, Pa. (KDKA) – Police, medics and firefighters were on the scene at the filming of the Mr. Rogers movie after a male crew member fell two stories after possibly having a heart attack, according to the Mount Lebanon Police on Thursday night.

The incident occurred on the 700 block of Shady Drive in Mount Lebanon, where crews are filming, “You Are My Friend,” a film based on the life of Pittsburgh icon Fred Rogers.

Police are unsure why a member of the movie film crew fell. The man was a member of the sound crew, he is from Pittsburgh and his condition is very serious, according to police.

fall Crew Member in Grave Condition after 2 Story Fall On Set Of Mr. Rogers Movie

Photo Credit: KDKA

Police and medics were called in at around 7:30 p.m.

The movie production crew was in Mount Lebanon for the second day filming an interior apartment scene for the movie at 769 Shady Drive East in Mt Lebanon. Police say the crew was on a break and the victim, identified as a 65-year-old man, a sound mixer, was also taking a break alone on the deck. That’s when other crew members heard what sounded like someone falling from the balcony.

A nurse who travels with the movie crew ran to assist the man, as did members of the crew, and began life saving measures. Medics arrived shortly after and continued those life saving measures, but the man was in full cardiac arrest when they arrived and was then quickly transported to Mercy Hospital.

mr rogers accident Crew Member in Grave Condition after 2 Story Fall On Set Of Mr. Rogers Movie

Photo Credit: KDKA

Down the street, a local dining spot called Hitchhikers Brewery is where a bunch of people were eating and they saw and heard the commotion.

“All of a sudden all of these lights were just everywhere, and they started inching closer toward us shining into the bar, and I was like what is happening out there, and there was just people everywhere, people on the curb sitting,” said Vince Passerini. “We asked, what’s happening inside and they said they’re making a Mr. Rogers movie or something.”

“There were a bunch of fire trucks like maybe two of three ambulances, it was a large commotion everyone was starring,” said Sarah Pfabe. “We saw one ambulance leave they had the lights on but not the siren.”

Actor Tom Hanks, who is playing Fred Rogers in the movie, was on set as well as during this accident on Thursday.

tom hanks Crew Member in Grave Condition after 2 Story Fall On Set Of Mr. Rogers Movie

Photo Credit: Viewer Submission

The crew was understandably and visibly somber and upset after the accident and filming was halted for the evening.

Police believe the victim likely had a heart attack before he fell, but until they know for certain they are treating it as they would any criminal investigation. Detectives came to take pictures and process the scene.

It is unclear if taping will resume on Friday.

Stay with KDKA.com for this developing story.