BBC hit Call the Midwife was plunged into a real-life drama when a baby fell seriously ill.
Panicked onlookers called 999 and three ambulances scrambled to the set.
The youngster was rushed to hospital from fictional Nonnatus House, HQ to the show’s carers.
A source said: “It was very distressing. The child was very ill.”
A resident living near Longcross Film Studios at Chertsey, Surrey, added: “I saw three ambulances whizz past. I was shocked.
“It looked like something you’d see on a TV show but it was obviously a real incident being taken incredibly seriously.”
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They added: “We never see anything like this happening in this part of the world. Everyone was talking about it.”
An insider said the emergency was made in response to a “medical incident with an infant”.
Yesterday sources said the baby, who had not been named, had been discharged and was recovering at home.
The drama halted filming of the 12th series. An impressive 7.8 million viewers watched the last episode in March.
Characters include Nurse Trixie Franklin, played by Helen George.
The show, based on the memoirs of midwife Jennifer Worth, was voted the most popular drama on British TV earlier this year and is a hit in the US.
Bond flick Skyfall has also been filmed at Longcross, built on a former MoD research site.
