Thomas, aged 17, has been reported missing from Milton Keynes on 13/02/24.
He is believed to be wearing a black tracksuit and Nike trainers. Thomas has strong links to Oxfordshire, and particularly Oxford.
"We are concerned for Thomas, so if you see him, please call 999 quoting ref. 43240071041," police say.
If you have any information regarding his whereabouts, please contact us on 101, or via our online reporting form.
Please share this appeal widely.