Police are extremely concerned for the welfare of missing Lidia Lupo.
Lidia (17) was last seen at about 4.40pm on Saturday, in Church Street, Preston.
Officers are now asking for information about this man (pictured left) who was seen on CCTV with Lidia at Preston Train Station at around 2.30pm on Sunday, when she boarded a train to Manchester Airport.
If you know who this man is, or if this is you, police would like you to come forward as you may have information that can help them find Lidia.
Lidia is white, slim build, dark eyes, dyed red hair, braces.
She was last seen wearing a black jacket, white top, black leggings, and white Nike trainers. Speaks with a Romanian accent.
She has links to Oldham and Manchester.
Anyone with information, can contact police on 101 quoting log 0957 of January 27. For immediate sightings please call 999.