The Northern Territory Police Force holds concerns for the welfare of 43-year-old Colin, who has not been seen since last week.

Colin was last seen in Alice Springs on Thursday 26 February and was reported missing to police yesterday.

He is described as being of Caucasian in appearance, approximately 180cm tall, with a stocky build and grey facial hair. Colin has a distinct spiderweb tattoo on his left elbow.

Police and his family hold concerns for his welfare and anyone with information is urged to contact police on 131 444. Please quote reference NTP260002171.