NBC Universal, Inc.

The Philadelphia police are asking for the public's help in finding an 11-year-old boy who went missing while visiting the Kimmel Center Arts Fest with his mom on Saturday.

The boy, identified as Isaiah Kelvas is white, 4 feet, 8 inches tall, and weighs around 71 pounds, police said.

Stream Philadelphia News for free, 24/7, wherever you are with NBC10. WATCH HERE

According to police, Kelvas was last seen wearing a blue Phillies City Connect hat, a blue T-shirt with a New Balance logo, tan Adidas shorts with white stripes, white socks, and charcoal Adidas slip-on sneakers. He was also carrying a brown bookbag.

Pictures taken of him earlier on Saturday are below:

Kelvas was last seen at the event before wandering out the Spruce Street exit at around 12:45 p.m., p

See Full Page