The nine people killed by a gunman who embarked on a shooting rampage at an Oregon college have been named. On October 1, Chris Harper-Mercer went on a shooting rampage at the Umpqua Community College in Roseburg that left ten people dead and seven others injured.

Among the victims were 18-year-olds Quinn Glen Cooper, Lucas Eibel and Rebecka Ann Carnes, and Lucero Alcaraz, 19, and 20-year-old Trevor Taylor Anspach. Jason Dale Johnson, 34, Sarena Dawn Moore, 44, Kim Saltmarsh Dietz, 59, and 67-year-old teacher Lawrence Levine were also killed during the latest school shooting to shock America.

At a news conference, officials read out statements by the victims' families as they paid emotional tributes to those they had lost in the massacre. The family of Quinn Cooper said: "Quinn was funny, sweet, compassionate and such a wonderful loving person. He always stood up for people. Our lives are shattered without Quinn." The grief-stricken family said they don't know how they are going to move forward with their lives.

"Our lives have been shattered beyond repair...No one should ever have to feel the pain we are feeling."

Jason Johnson's family said: "Jason was proud for enrolling himself in school and so was his mom. Jason had finally found his path. He will be loved and missed." Lucas Eibel's family statement said: "We have been tying to figure out how to tell everyone how amazing Lucas was, but that would take 18 years."

Lucero Alcaraz's sister said she was in her first year at college and described her as "the responsible one" in a family of six siblings. Her cousin had posted a picture of her on Twitter following the shooting before they realised she had been killed.

Earlier it was revealed that the gunman was in possession of an arsenal of weapons. Police recovered six weapons and a flak jacket at Umpqua Community College and a further seven guns at the shooter's house. Asked if this cache of guns was normal, Douglas County sheriff John Hanlin said: "This is a hunting state and firearms are popular in most households, yes."

Sheriff Hanlin refused to confirm the identity of the killer, saying: "You will only glorify his actions and this will only serve to inspire other shooters."

The tragedy at Umpqua Community College in Roseburg was the latest in a series of mass shootings in the United States.

Speaking from the White House, President Barack Obama said the reporting of gun crime has become routine as has the response of those who oppose gun controls in the US.

"We have become numb to this," he said. "Somehow this has become routine. The reporting is routine, my response here at this podium ends up being routine. It cannot be this easy for someone who wants to inflict harm on other people to get a gun."

It was announced today that, as a mark of respect for the UCC shooting victims, President Obama has ordered flags to be raised at half-mast at public buildings until sunset on Tuesday 6 October.