A second suspect has been arrested on suspicion of murdering a teenage girl last seen 28 years ago.
Donna Keogh, 17, was last seen in Middlesbrough town center in 1998.
Her body was never found, and police believe she was likely murdered after she disappeared.
Officers have now arrested a 62-year-old man in Manchester, who will be interviewed in custody.
It follows the arrest of a 64-year-old man on suspicion of murder in Leeds.
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Ms Keogh was described at the time as 5 ft 2 inches tall, of slim build, with blonde hair tied by a leopard-skin bobble.
She was wearing a ‘sky blue backless/sleeveless dress’ and black knee-length boots with a crocodile design on the side.
Her disappearance was only flagged to police one month after she vanished.
Two men were arrested on suspicion of murder in 1999; however, no charges were brought against the pair.
Her parents, Brian and Shirley, have endured nearly 30 years of ‘heartache’.
They told Teesside Live they had ‘never gotten on with their lives’ since Ms Keogh’s disappearance.
‘Time has stood still with us,’ they said.
Cleveland Police publicly apologized for failings in the initial investigation.
Ms Keogh was reportedly living in a flat with her cousin at the time.
A friend who was among the last people to see her said she was safe at a property with four other men, where she was allegedly given money to buy cigarettes.
However, the alarm was raised after the parents were told ‘sinister things’ had happened to Ms Keogh.
Some 1,788 statements were taken as part of Operation Resolute, launched to determine Ms Keogh’s fate in 2016.
Police had found human remains after excavating an allotment in Teeside, only for forensic testing to reveal they dated to the Middle Ages.
Senior investigating officer Evan Kirtley said: ‘This morning we have made a second arrest in connection with the murder of Donna Keogh.
‘The man remains in police custody, where he will be interviewed.
‘We remain in close contact with Donna’s family and they are being kept fully updated.’
He added: ‘Donna’s family have lived with unbearable uncertainty for nearly 30 years as they need answers as to what happened to Donna, and we are determined to find those answers for them.
‘Somebody out there knows what happened and could tell us, in order to give the family some comfort and peace, after all this time.
‘If you have information, please tell us. You can contact us directly or report anonymously.’
A £20,000 reward has been offered by Crimestoppers for anyone with information about Donna’s suspected murder.
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