HOUSTON - UPDATE: Authorities say Zion Nicholls has been located.
Zion Xavier Nicholls was last seen around 8 p.m. in the 2000 block of Briarlee.
He was last seen wearing a black baseball cap with the word "Van" across the front in white, a black hoodie and black jogger sweatpants.
He is 6-feet tall, 120 pounds, with brown eyes and black hair.
Officials say Nicholls possibly suffers from an intellectual disability.
Texas Equusearch joined the search for Nicholls at noon Tuesday near the area where he was last seen.
Anyone with information on his whereabouts can call the HPD Missing Persons Unit at (832)394-1840.