Around 800 students and 90 staff attend the school

A minor opened fire Tuesday at a school in Vantaa outside the Finnish capital injuring three others, police said. The school has around 800 students and 90 staff, children in grades 1 to 9 with the aged of 7 to 15, attend the school.

Police were alerted to the scene and later specified that both the suspect and the injured were all minors. Local media reported that the city of Vantaa's crisis group was activated following the shooting. Police urged the public to stay away from the area and remain indoors.