Thousands of people have attended a candle-lit night of remembrance and prayers for those who died in the shooting at a US university.
Friends, family and residents gathered on Virginia Tech baseball field to remember the 32 people killed by student Cho Seung-hui on Monday.
As darkness fell, the crowd held up candles in cups in tribute to the dead.
An investigation has begun into why it took police so long to react to reports the student was on campus with a gun.
Students support one another
The first shooting took place at about 7.15am on Monday when two people were killed, the second attack happened two hours later when 31 people died.
Lots of students are angry the university was not closed after the first shooting and many say they had received no warning until an email after the second shooting.
'Day of sadness'
Police discovered two guns near the body of Cho Seung-hui. He is thought to have killed himself after the shooting.
Cho was from South Korea but moved to the US when he was eight years old. He was in the studying English at the university.
Police said they think Cho carried out both attacks - the worst anyone in the US can remember.
On Tuesday, US President George Bush told a university memorial service it was "a day of sadness for our entire nation". He also called for people to offer help to bereaved relatives.