A senior alert has been activated for a 73-year-old Colorado man who went missing after getting a ride from an unknown person. Have you seen Walter Collins?

According to KDVR.com, the Adams County Sheriff’s Office is searching for Walter Collins. His car broke down near Ault, Colorado, around 6 p.m. on Wednesday night. Collins received a ride from an unknown person and has not been seen since.

Walter Collins is described as:

  • 73 years old
  • 5' 10"
  • 110 pounds
  • Bald
  • Green eyes
  • Last seen wearing yellow pajama bottoms with cartoon characters, white shirt, orange Broncos hat, and glasses

Collins has Dementia and Alzheimer’s. If you see Walter Collins, please contact authorities.