Danny Evans, 18, was pronounced dead at the scene of the overturned car
An 18-year-old man has been arrested on suspicion of causing death by dangerous driving over a crash in which a promising young athlete was killed.
The driver, since released on bail by North Wales Police, was held over a crash at Sealand, Deeside, on Monday.
Danny Evans, 18, from Connah's Quay, Flintshire, died when a car overturned on the A548 near Yew Tree Farm.
Three others were hurt, one of them seriously. One remains in hospital in Chester, another on Merseyside.
North Wales Police said they were alerted to the crash involving a black Renault Clio car at 2122 GMT on Monday.
Tributes have been paid to Mr Evans, who had represented Wales in the high jump and won a sports scholarship to Deeside College.
The three injured people were initially taken to the Countess of Chester Hospital.
One was later transferred to Whiston Hospital on Merseyside and is said to be in a stable condition. Another man remains at the Countess of Chester Hospital.
Anyone with information is asked to contact North Wales Police on 101 or 0845 607 1001 (Welsh language line), 0845 607 1002 (English language line) or the independent charity Crimestoppers anonymously on 0800 555 111.