A gunman opened fire at a hall of residence and a classroom at a US university today, killing at least 21 people in the deadliest campus shooting in the country's history.

An 18-year-old man suspected of plotting a murder spree at a high school in southern California was sentenced to five years in state prison.

A 13-year-old student wearing a black trenchcoat and carrying an assault rifle walked into a school today and opened fire.

A TRUCK driver walked into an Amish school yesterday and sent the boys outside before holding the girls hostage and shooting them.

THE suspect in the worst US school massacre since Columbine smiled and waved as he gunned down five students, a teacher and a guard, asking one of his victims whether he believed in God, witnesses said.

A “grinning and waving” high school pupil went on a shooting rampage on an Indian reservation, killing his grandparents at their home and then seven people at his Minnesota school.

Actor Tim Robbins is furious Hollywood stars are constantly blamed for glamorising violence and crime.

A 17-year-old American girl who allegedly agreed to smuggle guns into her school for a rampage, but later leaked the plan to a teacher, has become the fourth teen charged in the case.

An 18-year-old student accused of shooting five people at his high school made a reference to the 1999 massacre at Columbine High in Colorado during class earlier this year and simulated guns with his hands, a classmate said.

Two teenagers died and 13 were wounded when a 15-year-old boy who was picked on and had talked about shooting classmates opened fire in a high school toilet, officials said.