Police have issued an appeal to trace a missing man from Bolton .
Callum Naylor was last seen in the Great Lever area at 10.45am on Sunday.
They posted about his disappearance less than two hours after he went missing.
Police did not release further details about the disappearance, but said they are 'becoming increasingly concerned' for his welfare.
He was last seen wearing jeans, white trainers, a black top and a black jacket with goggles, a post on the GMP Bolton North page said.
The 19-year-old is of slim build and 6ft 4ins tall, the status said.
The post, put up at 12.42pm, said: "We are becoming increasingly concerned for the welfare of Callum Naylor - 19 years.
"Callum was last seen in the Great Lever area of Bolton at 10.45am today."
Anyone who sees him is asked to contact police on 101 or using the live chat facility on the website, quoting log 1391.
