Multiple agencies, including the FBI, Minnesota State Patrol, and Minneapolis police, responded to the scene. Authorities have not yet released information on the number of victims, though some reports said there were several casualties after as many as 50 shots were fired.

Reports following the incident said that the shooter is dead after targeting children in Pre-K through eighth grade.

A man dressed in all black and armed with a rifle was reported at the scene,” the Richfield Police Department said in a statement.

School began on Monday, reports said, adding that students go to Mass around 8:15 a.m., where they were when the attack took place.

President Donald Trump has been briefed on the incident, officials said, adding: “The White House will continue to monitor this terrible situation.”

“I have been fully briefed on the tragic