UPDATE (11:45 am): The lock-in has been lifted from both schools. Police activity continues, but one person is reportedly in custody and situation is contained.

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Newtown Police are responding to an unspecified incident in Sandy Hook.

Newtown High School and Newtown Middle School campuses have been put into lock-in mode.

Interim Superintendent of Schools Dr John Reed has told The Newtown Bee that the move is in response to a request from the police, to allow them to pursue their current activities.

NHS Principal Charles Dumais, in a Tweet, said “all children safe.”