Police have been granted more time to question a 22-year-old man arrested on suspicion of murder following the disappearance of teenager Georgia Williams.
Jamie Reynolds was arrested at a Glasgow city centre hotel early on Wednesday and is now in custody in Telford.
The warrant was granted for a 36-hour period which expires at 6.30 tomorrow morning.
The search continues today for a 17-year-old girl from Shropshire who police fear has been kidnapped.
Georgia Williams was last seen leaving her home in Wellington on Sunday evening.
A man has been arrested in connection with her disappearance. Her friends are appealing for her to come home.
Police say they fear a 17-year-old girl from Shropshire who has not been seen since Sunday, has been kidnapped.
Georgia Williams is described as very bright, a head girl at her old school. Her disappearance has been described as "completely out of character".
Officers in Scotland have arrested a man in connection with the investigation. Charlotte Grant has this report.
Police say they are working with the siblings of missing teenager Georgia Williams to try and understand what the last Tweet she sent may have meant.
The message on Twitter was sent on the 26th May at 10.30am just nine hours before she went missing. In the message she wrote that she had 'stuff on her mind' and could not sleep.
The 17-year-old former Head Girl has two sisters, both of which are currently working with police to try and understand what may have been preoccupying her when she posted the message.
The friend of missing teenager Georgia Williams has described the 17-year-old as "always happy and very popular".
Katy Lafferty, also 17, said the disappearance of Georgia is out of character saying she "isn't that type of person".
The friend went on to say "whenever she goes out she tells her mum and dad, she tells them where she's going, what she's doing, so she wouldn't just go like that".
Police say a 22-year-old man arrested in connection with the disappearance of Georgia Williams is 'known to her'.
Superintendent Nav Malik from West Mercia Police said the man currently in custody was "a friend" of Georgia's but added he was not her boyfriend.
Georgia, 17, had been due to attend a music concert with her boyfriend this week, and she also missed her first driving lesson, said Mr Malik.
Superintendent Nav Malik, one of the senior officers on the case, said: "We are gravely concerned about [Georgia's] disappearance and her parents are naturally very distressed."
He described Georgia, from Wellington, as a "vulnerable" person who was "bright" and for whom the disappearance was "completely out of character".
Mr Malik also confirmed Georgia's father is a serving West Mercia Police detective constable, based at Telford.
Police searching for missing 17-year-old Georgia Williams from Shropshire say they want to know about the movements of a silver Toyota Hiace 300 GS van (registration: CX06 ASV).
Police have confirmed the vehicle travelled from Wellington to Oswestry, Shropshire, before travelling to Rhyll, Chester, Cumbria and then onto Glasgow.
The vehicle has now been located.
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