UPDATE:  8/15/14 – A body has been found in a pond.  Police are waiting for a positive ID before releasing whether it is Leo or not. Thursday evening Police Chief Williams said crews started pumping a pond as part of search efforts, and on Friday the body was found.

Previous story:  Leo Walker, 9, from Live Oak, Fla. went missing August 13. Leo is autistic and in need of immediate medical assistance, according to the National Center for Missing & Exploited Children.

He was last seen in the 700 block of Duval Street wearing blue shorts, a blue t-shirt and no shoes. He’s 4 feet, 7 inches tall and weighs 87 pounds. He has light brown hair and blue eyes.

Live Oak Police Department said they got a tip around 10:30 a.m. from someone who said they spotted Walker near Shands Hospital. From there, they expanded the search to Silas Drive and Coliseum Avenue.   They returned to the home around 5:30 p.m. to start their search from ground zero, again.

If you have any information concerning the whereabouts of this child, please contact FDLE or call the Live Oak Police Department at 386-330-3501 or 911.