(KWES) - UPDATE: The Silver Alert has been discontinued.
A Silver Alert has been issued for a missing man from Horizon City.
Authorities are searching for Lee Coleman, 75.
We're told that Coleman is diagnosed with a cognitive impairment.
Coleman is 6'3" tall, 240 pounds, with gray/black hair and brown eyes. He was last seen wearing a blue sweater, blue jeans and tennis shoes.
He was last seen Tuesday morning at 10 a.m. in Horizon City, Texas, driving a silver 2012 Ford Focus with Texas license plate DD1H346.
Law enforcement officials said they believe this man's disappearance poses a credible threat to his own health and safety.
If you have any information regarding this missing senior citizen, contact the Horizon City PD at (915) 852-1047.