He was then transported to the hospital in serious condition.
Fred Rogers, who died in 2003, appeared on the television series "Mister Rogers' Neighborhood" from 1968 to 2001. He may have suffered a medical emergency which caused the fall, though the cause of death is still to be determined by the medical examiner's office. Nearby crew members reportedly heard a noise and discovered the man had fallen over the balcony's brick wall.
According to a report in Variety, Emswiller had been taking a smoke break and fell from a balcony.
"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", Vince Passerini told Post-Gazette news partner KDKA-TV.
"There were a bunch of fire trucks, like maybe two of three ambulances, it was a large commotion, everyone was staring", another witness, Sarah Pfabe, added.
The crew was on the second day of filming an interior apartment scene with Hanks, who reportedly was on set at the time of the accident.
The film is not strictly a biopic about the TV star's life, but tells the story of Rogers' relationship and adventures with journalist Tom Junod, and is based on Junod's 1998 Esquire profile on the beloved icon.
"This is a devastating tragedy and the studio is investigating the matter". Matthew Rhys, Chris Cooper, Wendy Makkena and Susan Kelechi Watson also star.
The first image from the film, which is set to hit theaters October 18, 2019, was released in September, showing Hanks dressed in Rogers' signature cardigan.
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Avengers: Infinity War made over $2 billion at the global box office - one of the highest figures for any movie in history. She was first a villain of Iron-Man, and worked for the Russians before defecting to the U.S. and joining the Avengers .