DEER PARK, Texas (KTRK) -- UPDATE 3:60 p.m.: Authorities have canceled the Silver Alert.
Authorities in Deer Park have issued a Silver Alert for an 83-year-old man who they say has a cognitive impairment.
Joseph Leger was last seen driving his white 1997 Ford Crown Victoria sedan in Deer Park. The vehicle has Texas license plates BBN7173. He was wearing a blue shirt and blue jeans.
Leger is described as a white male who is 5' 6" and 185 pounds. He has gray hair and brown eyes.
Authorities believe Leger's disappearance poses a credible threat to his safety. Anybody with information about his whereabouts is asked to contact the Deer Park Police Department at 281-479-1511.