![Antti Aimo-Koivisto National flag of Finland flies at half-mast outside Government Palace by Senate Square in Helsinki, Finland Wednesday, April 3, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Antti Aimo-Koivisto/Lehtikuva via AP)](https://mapi.associatedpress.com/v2/items/1e88d12a9cbb47bd85dd87d1e4ae5e1a/preview/preview.jpg?s=680x&wm=false)
National flag of Finland flies at half-mast outside Government Palace by Senate Square in Helsinki, Finland Wednesday, April 3, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Antti Aimo-Koivisto/Lehtikuva via AP)
![Jussi Nukari Parents escort their children to the Viertola school in snow-fall in Vantaa, Finland, on Wednesday, April 3, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Jussi Nukari/Lehtikuva via AP)](https://mapi.associatedpress.com/v2/items/2a8d6b3c70774d0da365a3c36e8d00d7/preview/preview.jpg?s=680x&wm=false)
Parents escort their children to the Viertola school in snow-fall in Vantaa, Finland, on Wednesday, April 3, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Jussi Nukari/Lehtikuva via AP)
![Jussi Nukari Police tape is seen at the Viertola school in Vantaa, Finland, Wednesday, April 3, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Jussi Nukari/Lehtikuva via AP)](https://mapi.associatedpress.com/v2/items/aac7860565714fb890bea6c3de2b10de/preview/preview.jpg?s=680x&wm=false)
Police tape is seen at the Viertola school in Vantaa, Finland, Wednesday, April 3, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Jussi Nukari/Lehtikuva via AP)
![Roni Rekomaa People bring candles and flowers at the Viertola school in Vantaa, Finland, Tuesday April 2, 2024, after a shooting incident. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Roni Rekomaa/Lehtikuva via AP)](https://mapi.associatedpress.com/v2/items/8c744979b16e4823809ae2f10f318ebb/preview/preview.jpg?s=680x&wm=false)
People bring candles and flowers at the Viertola school in Vantaa, Finland, Tuesday April 2, 2024, after a shooting incident. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Roni Rekomaa/Lehtikuva via AP)
![Jussi Nukari The flag of Finland flies at half-mast at the Viertola school in Vantaa, Finland, on Wednesday, April 3, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Jussi Nukari/Lehtikuva via AP)](https://mapi.associatedpress.com/v2/items/be22749fee9947b4b9da1afafeadcdd7/preview/preview.jpg?s=680x&wm=false)
The flag of Finland flies at half-mast at the Viertola school in Vantaa, Finland, on Wednesday, April 3, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Jussi Nukari/Lehtikuva via AP)
![Jussi Nukari Candles, flowers and other memorabilia are placed at the Viertola school in Vantaa, Finland, Wednesday, April 3, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Jussi Nukari/Lehtikuva via AP)](https://mapi.associatedpress.com/v2/items/bb853c51fce3457b9fcbb34998fd07ce/preview/preview.jpg?s=680x&wm=false)
Candles, flowers and other memorabilia are placed at the Viertola school in Vantaa, Finland, Wednesday, April 3, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Jussi Nukari/Lehtikuva via AP)
![Markku Ulander National Police Commissioner Seppo Kolehmainen speaks during a police press conference on the Viertola school shooting incident, in Vantaa, Finland, Tuesday, April 2, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Markku Ulander/Lehtikuva via AP)](https://mapi.associatedpress.com/v2/items/c5f0e5419fc143858584bacbe4d30100/preview/preview.jpg?s=680x&wm=false)
National Police Commissioner Seppo Kolehmainen speaks during a police press conference on the Viertola school shooting incident, in Vantaa, Finland, Tuesday, April 2, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Markku Ulander/Lehtikuva via AP)
![Antti Aimo-Koivisto National flag of Finland flies at half-mast outside Government Palace by Senate Square in Helsinki, Finland Wednesday, April 3, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Antti Aimo-Koivisto/Lehtikuva via AP)](https://mapi.associatedpress.com/v2/items/709b0e3cefd4485f8eaf25b5861dc06d/preview/preview.jpg?s=680x&wm=false)
National flag of Finland flies at half-mast outside Government Palace by Senate Square in Helsinki, Finland Wednesday, April 3, 2024. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Antti Aimo-Koivisto/Lehtikuva via AP)
![Roni Rekomaa People bring candles and flowers at the Viertola school in Vantaa, Finland, Tuesday April 2, 2024, after a shooting incident. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Roni Rekomaa/Lehtikuva via AP)](https://mapi.associatedpress.com/v2/items/4e53d5051a9b4fb18734c57295a01851/preview/preview.jpg?s=680x&wm=false)
People bring candles and flowers at the Viertola school in Vantaa, Finland, Tuesday April 2, 2024, after a shooting incident. A 12-year-old student opened fire at a secondary school in southern Finland on Tuesday morning, killing one and seriously wounded two other students, police said. The suspect was later arrested. (Roni Rekomaa/Lehtikuva via AP)
![Markku Ulander Police officers and vehicles at the scene of Viertola comprehensive school, in Vantaa, Finland, Tuesday, April 2, 2024. Finnish police say a number of people were wounded in a shooting at a school outside Helsinki and a suspect was detained. (Markku Ulander/Lehtikuva via AP)](https://mapi.associatedpress.com/v2/items/18c6cda152404da49a2ba7cafb4656e9/preview/preview.jpg?s=680x&wm=false)
Police officers and vehicles at the scene of Viertola comprehensive school, in Vantaa, Finland, Tuesday, April 2, 2024. Finnish police say a number of people were wounded in a shooting at a school outside Helsinki and a suspect was detained. (Markku Ulander/Lehtikuva via AP)
![Markku Ulander Police officers and vehicles at the scene of Viertola comprehensive school, in Vantaa, Finland, Tuesday, April 2, 2024. Finnish police say a number of people were wounded in a shooting at a school outside Helsinki and a suspect was detained. (Markku Ulander/Lehtikuva via AP)](https://mapi.associatedpress.com/v2/items/c5bf1c44de784275886d65de87a1abb0/preview/preview.jpg?s=680x&wm=false)
Police officers and vehicles at the scene of Viertola comprehensive school, in Vantaa, Finland, Tuesday, April 2, 2024. Finnish police say a number of people were wounded in a shooting at a school outside Helsinki and a suspect was detained. (Markku Ulander/Lehtikuva via AP)