Seven held over schoolboy killing
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Four men and three women are questioned by police investigating the murder of schoolboy Thomas Devlin.
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TUUSULA, Finland  - Seven children and a head teacher were killed when a pupil opened fire at a school in southern Finland on Wednesday, hours after he posted a video on YouTube foreshadowing a massacre there.
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Two teenagers are being held in Toronto over the fatal shooting of a schoolboy last week.
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A 21-year-old man is arrested in connection with the stabbing of a schoolgirl in Lancashire.
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Five Pennsylvania high school students were arrested after threats of violence shut down their school district for most of the week, police said.
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A man is arrested in China on suspicion of stabbing to death eight pupils at a school, officials say.
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Three teenagers are held over the fatal stabbing of a 19-year-old and the injuring of another youth in north London.
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Six teenagers arrested in Croxteth in connection with the 11-year-old's murder.
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A 17-year-old boy is arrested on suspicion of murder after a man is kicked to death by a gang in Henley-on-Thames.
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At least seven people were killed and 310 others wounded Friday, reports said, after commandos stormed a school in southern Russia where hundreds had been held hostage for three days by Chechen rebels strapped with explosives.
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Thousands of police patrolled a tense town today after street fights between members of the country&#39;s main ethnic group and a Muslim minority left seven people dead and 42 injured.
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Police investigating the fatal shooting of an 11-year-old boy as he was playing football said Saturday they had arrested five more young people, including two girls.
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A group of men are arrested after three teenagers are stabbed in an incident in an east London suburb.
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Â· Six teenagers now being interviewed by police Â· Murdered boy's brother leaves flowers at scene
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Merseyside police release six teenagers arrested in connection with killing of 11-year-old schoolboy.
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Seven people are taken to hospital after a shooting at a Leicestershire university.
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Three teenagers have been arrested by police investigating the murder of a 15-year-old boy stabbed at a caravan site.