Follow CBSDFW.COM: Facebook | Twitter

NEW YORK (AP) – Police are looking for a 15-year-old Swedish boy with Asberger’s syndrome who disappeared from a fast food restaurant in New York.

READ MORE: Secrets For Travelers During Surge In 'Revenge Travel'

The teen’s father said the last time he saw his son, Marcus Kerttu, was Friday evening at a McDonald’s in lower Manhattan.

The Daily News reports (http://nydn.us/1vKoSin ) the father told police he got up to use the bathroom and when he returned his son was gone.

READ MORE: DFW Area Shouldn't Have Problems With Gas Supply Or Prices Following Ransomware Attack On Pipeline

The father and son were supposed to fly back to Sweden on Saturday.

Asberger’s is an autism spectrum disorder. It is characterized by difficulties with social interaction.

(© Copyright 2015 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)

MORE NEWS: CBS 11 Obtains Exclusive Photos Of Teen Migrants Detained At Dallas Convention Center