Two women and a man were also taken to hospital for treatment.
A four-month-old baby has died following a head-on collision between and van and a car.
West Yorkshire Police said the baby boy died in hospital on Wednesday following the crash on the A1620 Horsforth Road near Rodley, Leeds, which happened at about 4.55pm on Monday.
The van driver has been arrested and released on bail pending further inquiries.
The force said the collision involved a Vauxhall Vivaro van, which was travelling northbound when it was in a head-on collision with a Toyota Auris.
Our Major Collision Enquiry Team is appealing for witnesses after a baby boy involved in a collision in the Leeds area on Monday sadly passed away in hospital.Can you help?Read more: https://t.co/nTd6yWytGU pic.twitter.com/XBCbuqsprN
— West Yorkshire Police (@WestYorksPolice) February 15, 2024
Two women from the Toyota and a man from the van were also taken to hospital for treatment along with the baby.
The 54-year-old male driver of the Vivaro was arrested on suspicion of causing serious injury by dangerous driving and later bailed.
Officers have appealed for witnesses to contact the Major Collision Enquiry Team on 101, or by using the livechat facility on the West Yorkshire Police website, quoting reference 13240081077.
