A Silver Alert that was activated in Los Angeles County for a 78-year old man who authorities said possibly suffers from undiagnosed dementia and who was last seen in North Hollywood was deactivated Saturday.

According to the CHP, Shogo Wakamatsu was located at 1:15 .m. Saturday. There were no further details.

Wakamatsu had last been seen leaving his home around 11:30 p.m. Wednesday in the 12600 block of Willard Street, near Strathern Park North, the Los Angeles Police Department announced.

The CHP established the Silver Alert program to issue and coordinate alerts involving the unexplained or suspicious disappearances of elderly, developmentally disabled or cognitively impaired individuals.