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A routine traffic stop in the middle of the night ended with a Seattle cop helping to deliver the passenger’s baby — a birth captured on dashcam video.

Police released a photo of the unidentified father and his newborn girl. Handout / Seattle PD

Officer Anthony Reynolds noticed a car running red lights and speeding at about 3:45 a.m. local time (6:45 a.m. ET) Sunday, police said.

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When he ordered the vehicle to stop, the driver jumped out and shouted that his wife was in labor.

Although Reynolds called for an ambulance, the couple’s baby arrived before medics and can be heard screaming in the video.

“After first giving a full-throated cry as she burst into the world, the young girl began struggling to breathe,” the Seattle Police Department said in a statement. “With the help of the child’s mother, Officer Reynolds cleared the baby’s airway and got her breathing again.”

The family was doing well in the hospital, police said. They released a photograph of the father holding his new daughter but did not divulge details of his identity, saying the family was "grateful for the well wishes," and requesting privacy.

"You will be happy to know that everyone is happy and healthy!" a police department spokesperson said in an email to NBC News on Tuesday.

“You have helped deliver a precious gift,” the couple wrote to the department in a note. “We are so grateful.”