A gunman killed two people and injured numerous others at Abundant Life Christian School in Madison, Wisconsin, on Monday.
Police initially said the gunman killed four people, but revised the number back to two Monday afternoon.
The victims who died include a teacher and a teenage student, according to Madison Police Chief Shon Barnes.
Police said they began receiving reports about an active shooter at 10:57 a.m. When police arrived minutes later, officers located multiple gunshot victims.
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The suspect, a student at the school, was found dead at the school. No officers fired shots, Barnes said. He added that police have been in contact with the shooter's family.
Two students remain in critical condition and four others have non-life-threatening injuries, according to police.
President Joe Biden and Wisconsin Gov. Tony Evers said they are closely monitoring the situation.
"We are praying for the kids, educators, and entire Abundant Life school community as we await more information and are grateful for the first responders who are working quickly to respond," Evers said.
Abundant Life Christian School was founded in 1978, according to its website. It offers classes for children in kindergarten through 12th grade.