A man has been taken to hospital in a critical condition, after suffering a medical while at the wheel of his car in Great Yarmouth.
The incident happened at around 2.45pm on Caister Road, near the junction with Jellicoe Road.
His car then veered off the road.
New mum Vicky Shreeve, 24 of Caister, who had nine-week-old son Arthur in the back seat was in the car behind and immediately pulled over the help.
MORE: Man dies after going into cardiac arrest at the wheel on Great Yarmouth main road
She said: 'When I saw the car swerve off the road I stopped right away. I work in health care so am trained to do CPR so knew I had to help.
'I just did what anybody would do though. I was in two minds to start with because I had my son in the back but I couldn't just keep on driving.
'I was scared, but you just have to get on with things in these situations, which is what I did.'
'A police officer told me the man was lucky I was there, and I'm glad I was there too. I want to wish him well and I was more than happy to help.
'It was very frightening, the man's wife helped him out of the car and was shaken up and he also had a child in the back so he must have been so scared.'
Other members of the public who witnessed the crash, including Jack Reeve who lives nearby, also rushed to his aid and emergency services were called.
The East Anglian Air Ambulance, an ambulance and two rapid response vehicles attended the scene, along with police officers and firefighters.
Mr Reeve said: 'I was playing with my puppy in my garden when all of a sudden I saw the car come off the road and into a tree.
'Originally I thought his tyre had blown. A lady in the car pulled him out and I saw that he was laying on the floor and not moving. I put the puppy in his cage and ran out.
'I think I was the second person there - I was on my knees about to give CPR but somebody came from behind and took control.
'I'm praying for everyone involved.'
An ambulance spokesman said at the time the man, who is believed to be in his 40s, was taken by road ambulance to the James Paget University Hospital and was described as being in a critical condition at the time.
The man's car was being removed by 5.45pm, with traffic backing up heading towards the A149.
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