Update:
Barrie Police say the child was found by an officer in another unit on the property. The boy was safe.
Original information
Barrie Police have notified the public about a missing three-year-old boy.
Ryker was last seen in the area of Sophia Street between Peel and Owen Streets.
The toddler is described as white, 4 feet tall, red hair and wearing cookie monster blue pyjamas with no shoes.
Anyone who sees him should call police.