Police in Woburn, Massachusetts, are searching for an 8-year-old boy who went missing while his grandfather was babysitting him Saturday night.

Woburn police say Micah Jones was last seen around 9:45 p.m. when he entered into a light green Nissan Altima -- with Massachusetts registration 2VLM16 -- with his grandfather.

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Massachusetts State Police said Micah's mom entrusted her son to the care of his grandfather, Anthony Banks. When Micah's mom returned later in the day, she could not locate Micah or Banks.

The boy has not been seen or heard from since then, police say. He is about 4'4 tall and 68 pounds with black hair and brown eyes.

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