Ambulance crews called out to what they expected to be a collision got a shock to find that a woman had given birth in a car.
The woman and her partner had pulled over in a lay-by on the A38 Bristol Road, Birmingham, where she had a baby boy.
A West Midlands Ambulance Service spokesman said the newborn was in good health and "had a good set of lungs on him".
Paramedic Karen Parry said: "It was a wonderful experience for everyone. Mum, dad and baby were all doing well, which was great.
"We've had a really hard 12-hour shift and this was our last job of the night, and what a nice way to finish."
Emergency medical technician Debbie Styzaker added: "This sort of job is almost always such good news. The parents were understandably very emotional and to be fair, I think we were too."
Mother and baby were taken to Birmingham Women's Hospital by ambulance for an assessment.
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