A three-year-old girl died after her buggy was blown into the path of a van, according to reports.
The child, named in reports as Olivia Uffindell, died in hospital shortly after the collision.
The 36-year-old van driver, who stopped at the scene, was arrested on suspicion of causing death by careless driving after the incident in Wellesley Road, Croydon, south London.
He was taken to a south London police station where he was later bailed to a date in May.
The victim's grandmother Debbie McClatchie described Olivia as "such a lovely girl", according to the Daily Mail Online.
She added: "I don't know how we're going to live without her."
Police were called by the London Ambulance Service shortly before 9am following reports of a Mercedes Sprinter van that struck a child.
The girl was taken to St George's Hospital where she was pronounced dead at 10.03am.
A post-mortem examination will be carried out, Scotland Yard said.
Police are appealing for witnesses and officers from the Road Death Investigation Unit are investigating.
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