Skelmersdale Police are appealing for information after a 16-year-old boy went missing from Skelmersdale.
Thomas Williamson was last seen in the Kestrel Park area around 1pm on January 3.
He is described as white, 5ft 10in tall, of slim build with light-brown hair. He was wearing a black hooded coat, black tracksuit pants, black trainers and a black balaclava at the time of his disappearance.
Police are growing concerned for his welfare and urging anyone with information about Thomas to come forwards.
PC Paddy Stewart, of Skelmersdale Police, said: “Thomas has been missing for a number of days now and we want to find him as soon as possible.
“If you have seen him, or know where he is, please contact us.”
Anyone with information can contact police on 101 quoting log reference 0151 of January 4.