Alarm after shootings at a Christian school in Madison, Wisconsin, signaled their security services USAon Monday.

According to the latest revised update from the police, there are at least three dead (along with the attacker) and nine seriously injured.

Strong police forces rushed to the scene and are conducting an investigation, in order to gather evidence that will highlight the possible motive of the attacker, who was neutralized. According to the police representative, the attacker was allegedly a student of the school.

As reported by American media, injured students and school staff were taken to the hospital.

Live report from ABC:

Watch video from the spot:

Eyewitnesses stated that the attacker entered the school on foot and immediately opened fire indiscriminately.

The shooting incident took place at Abundant Life Christian School. Police have placed all roads around the school on lockdown, while drivers and pedestrians have been instructed to stay away from the area and avoid routes around the school as the operation is underway.

According to what the American media reports, 200 students study at this particular school.