MONTEBELLO (   —  Police in Montebello are asking the public to be on the lookout for a missing teen.

Officials said Jose Arellano ran away Friday evening.

Arellano is described as a high-functioning person with autism.

Hwas last seen at home Friday night. His mom woke up Saturday morning and discovered him gone.

He left a note in which he indicated he was unhappy with his last interaction with his therapist.

Arellano likes to frequent libraries and parks in the city of Montebello.

If you have seen him, please contact the police (323) 887-1200