3 children injured after 12-year-old student opens fire at a school in Finland

A 12-year-old student opened fire at a secondary school in southern Finland and wounded three other students on Tuesday, police said.
The suspect was later arrested, police said.
Heavily armed police cordoned off the lower secondary school, with some 800 students, in the city of Vantaa, just outside the capital, Helsinki, after receiving a call about a shooting incident at 09:08 a.m.
Police said both the suspect and the wounded were 12 years old. Police said the suspect was arrested in the Helsinki area later Tuesday.
(This is a developing story. Please check back for updates)