Updated

A 5-year-old Vancouver, Wash., kindergarten student who wandered into the wrong classroom set off a school lockdown before he was located Monday. Vancouver police said Braiden Gonzalez arrived at Walnut Grove Elementary on the school bus as usual. The problem started when he played outside with some first-graders and then followed them into their classroom.

Braiden's mother realized he was missing when she arrived to pick him up from his half day of kindergarten.

Vancouver Public Schools spokeswoman Kris Stork said the boy sat at the desk of a new student in the first grade classroom — and responded to the teacher as if he was that student. District officials say the boy also didn't respond when his name was called on the intercom system.

Stork said Braiden was found around 1 p.m. after his photo was circulated among school staffers.

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Information from KPTV, The Columbian