UPDATE: The New York Times reports that officials have identified the shooter as Chris Harper Mercer, 26. At a news conference, Sheriff John Hanlin said he believed there were 10 dead.
UPDATE: The 20-year-old shooter is dead, according to Douglas County Sheriff John Hanlin.
UPDATE: The Oregon Attorney General has said that 13 people are dead.
At least seven people were killed and many more were injured in a shooting at Umpqua Community College in Roseburg, Ore., according to state police.
CNN reports that the shooter is in custody, and that agents have been dispatched to the campus to search for explosives, firearms and ammunition.
The campus remains on lockdown, according to the New York Times.
This is the 142nd school shooting since Sandy Hook in December 2012.