Photo released by authorities of Preston Allington.

NORTH HIGHLANDS—

Authorities are asking for help in trying to find an at-risk man, last seen Friday night.

Preston Allington, 26, went missing around 8 p.m. and was last seen near Elkhorn Boulevard and Stoneman Drive. Allington is considered at-risk due to diminished mental capacity.

Deputies describe Allington as a white man, about 5’7’’ and 275 pounds, with short brown hair and brown eyes.

At the time of his disappearance, Allington was wearing a black beanie, a grey and red 49ers sweatshirt and purple and white shorts.

Authorities also say that Allington is carrying blankets with him.