Amber Alert: Joseph Sullivan

UPDATE: The Amber Alert has been canceled. Joseph Sullivan and his mother have been found safe.

An Amber Alert has been issued for a 7-year-old Houston boy.

Joseph Sullivan was last seen with his mother who has reportedly been suffering from "emotional difficulties." He is believed to be in danger, according to the alert from the Texas Center for the Missing.

Joseph is 4 feet tall and weighs 60 pounds. He has blue eyes and blonde hair. He was last seen wearing a black shirt and black shorts.

The child was last seen Sunday at 10:30 a.m. in the 4400 block of Harvey in Houston.

His mother, Angela McCammon, 35, is 5'4 and weighs about 170 pounds. She has blue eyes and brown hair. She is driving a 1995 Green GMC Van, TX License Plate BX1M172.

Anyone with information about the child, suspect or vehicle is asked to immediately call the authorities.