A 12-year-old opened fire Tuesday at a school north of the Finnish capital Helsinki, killing a fellow student and seriously injuring two others before being taken into custody, police said.

A 12-year-old opened fire Tuesday at a school outside the Finnish capital Helsinki injuring three other children, police said, adding that the attacker was in custody.

One of the wounded victims has died

The 12-year-old shooter was arrested following the incident in a Helsinki suburb.

Authorities in Finland report shooting at Viertola school, causing injuries. Incident under investigation.

Tragic school shooting in Vantaa, Finland, leaves one dead and two injured. Suspect apprehended, sparking stricter gun regulations.