TERRE HAUTE, Ind – The Silver Alert continues for a missing Terre Haute 15-year-old.

Indiana State Police issued the alert last wee for Clayton Matthew Johnson who was last seen on December 7 around 2:00 a.m.

Officers received tips Johnson could be in Greene County but he has still not been found.

He is described as a white male, 5’8″, 145 pounds, brown hair, and blue eyes.

He was last seen wearing a black long sleeve shirt with a grey hood, blue jeans, and red shoes.

Police believe he is in extreme danger and may require medical assistance.

If you know where Johnson is, call 911 or your local police.