Have you seen Aaron? Family of missing Christchurch man concerned for his well-being

Police and family members have concerns for the welfare of a 31-year-old man who is missing in Christchurch.

Police are appealing to members of the public who may have seen Aaron Bastion.

Bastion went missing in the Halswell area, a police spokesperson said.

He was last seen wearing dark blue jeans, cowboy boots and a tan coloured shirt.

"Police and his family have concerns for his well-being."

If you have information about Bastion's whereabouts or have seen him, phone police on 111, quoting file number 210705/9863.