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Update:   Martinez Smith-Payne has been found.  Police say he is at home.

ST. LOUIS (KTVI) – Police are searching for a 12-year-old boy Wednesday missing from his St. Louis home. His family fears Martinez Smith-Payne, who has ADHD and suffers from Bipolar disorder, ran away from home without his medication.

Smith-Payne was injured in a fireworks accident back in 2013, losing four fingers in the accident.

He was last seen Thursday, June 11th riding a bike.

Anyone who sees him should call the police.