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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.

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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 ( ) the father told police he got up to use the bathroom and when he returned his son was gone.

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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 This material may not be published, broadcast, rewritten or redistributed.)

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