At least 15 people were killed and another 20 wounded at a shooting on Thursday at a community college in Roseburg, Oregon, Reutres reported.
CNN said the shooter had been detained.
A spokeswoman for the Douglas County Sheriff's department confirmed to Reuters that there was a shooting at the Umpqua Community College campus in Roseburg. The spokeswoman had no further details.
"Active shooter scene is code 4. Multiple casualties all pt's transported," the Douglas County Fire Department said in a tweet.
The Portland Oregonian newspaper reported that officers responded at around 10:40 a.m. to reports of a shooting at the college.
Roseburg is a city of about 20,000 people, some 260 miles (418 km) south of Portland.