A shooting at the Marysville-Pilchuck High School left the school in lockdown, The Seattle Times reports.

At least 20 police cars and multiple ambulances responded to the scene, where authorities believe at least 6 people have been injured and two students killed.

Witnesses say that the shootings took place in the school cafeteria.

Law enforcement sources tell The Times that the suspected gunman is dead from a self-inflicted gunshot wound.

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“We are confident that there was only one shooter and that the shooter is dead,” Marysville Police Commander Robb Lamoureaux said.

Watch live coverage of the shooting below.