LEWISTON, Maine (AP) — Children were back in school in Lewiston and on the streets dressed as dinosaurs and princesses for Halloween, after a chaotic week that saw the deadliest mass shooting in Maine’s history and a massive search for the suspect as people sheltered indoors.

Hundreds of students returned to Lewiston High School, petting therapy dogs and signing a large banner that read “Lewiston Strong.†Days earlier the campus had been transformed into a law enforcement command post, with helicopters utilizing athletic fields and 300 vehicles filling the parking lot.

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