Timeline: Nicola Payne disappearance
Police investigating the disappearance of Nicola Payne in Coventry 22 years ago have arrested three people.
The mother of one, who was 18 at the time, went missing in the Henley Green area while walking to her parents' house.
The case has remained open ever since.
14 December 1991
Nicola Payne goes missing while walking to her parents' house from the home she shared with her boyfriend just half a mile away in Winston Avenue.
Her parents make a new appeal for information, although her mother says she is unlikely to be found alive.
Police say the case will remain open until they find out what happened to the teenager.
A series of adverts are displayed on lorries in an appeal for information.
The case features on TV programme The Missing, aimed at reuniting missing persons with their families.
Nicola Payne's son Owen, now 16, makes a fresh appeal for information.
A 37-year-old man is arrested on suspicion of abducting and murdering Nicola Payne, although no charges are brought.
Police launch another fresh appeal, 20 years after Miss Payne's disappearance.
Police launch a search of parkland off Purcell Road after receiving new information.
A day later, two men are arrested on suspicion of conspiracy to prevent the lawful and decent burial of a body. Nothing is found in the park and the men are later released without charge.
Police make a fresh appeal to trace two men seen near where Nicola Payne went missing.
Officers say calls following the latest appeal have produced 25 new leads.
New forensic tests are carried out on items recovered during the inquiry.
Three people are arrested in connection with Nicola Payne's disappearance.