WI: Antigo - Good Guy with Gun Stops Rampage Shooter; 2 Wounded, Shooter Killed

One female victim was treated for a gunshot wound at the hospital and released. The other victim, a male student, was undergoing surgery as of 11 a.m. for non-life threatening injuries, according to police.

The gunman was armed with a rifle when he started shooting people as they left the school about 11 p.m. Saturday, before an officer already on the scene shot the gunman, authorities said.

"The officer’s immediate response prevented further injuries and possible casualties," the police department said in a statement posted on Facebook. "The initial investigation and officer response indicate this was a lone shooter and a search warrant is being executed at his residence seeking any additional information pertaining to this incident."

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