How it happened
Detailed breakdown of how the worst gun rampage in US history unfolded.

Campus killer's family 'so sorry'
The family of the Virginia Tech gunman say they are "living a nightmare" after his murderous rampage.

Virginia students return to class
A balloon is released for each of those killed at Virginia Tech last week, as students returned to class.

Virginia mourns massacre victims
The US state of Virginia observes a day of mourning for the victims of Monday's university gun rampage.

Police 'regret' at killer's video
Officers probing the shootings at Virginia Tech say footage of killer Cho Seung-hui should not have been broadcast.

Virginia gunman sent final video
The student who killed at least 30 people in Virginia sent letters and photos to NBC News the day of the killings.

Anger over US shooting warnings
Survivors of campus shootings in Virginia that left 33 dead criticise the university's handling of the situation.

US university shooting kills 33
The worst shooting rampage in US history, at a university in Virginia, leaves 33 people dead.

'This is very scary'
Eyewitness reports e-mailed to the BBC from Virginia Tech university.

In quotes: Virginia gunman's message
Excerpts from disturbing video message filmed by gunman and posted to TV station.

Koreans shocked and saddened
The BBC's Charles Scanlon on the extraordinary reaction in the murderer's place of birth.