ROSEBURG, Ore. — A gunman opened fire at an Oregon community college today, killing at least seven people and wounding 20.

The shooting happened at Umpqua Community College in Roseburg, about 180 miles south of Portland. The fire district there advised people via Twitter to stay away from the school. It later tweeted that there were “multiple casualties” but did not elaborate.

State police Lt. Bill Fugate said that seven to 10 people were dead and at least 20 others hurt. A photographer for the Roseburg News-Review newspaper said he saw people being loaded into multiple ambulances and taken to a hospital.

Andrea Zielinski, a spokeswoman for Douglas County Sheriff’s office, said: “There’s no more threat.”

But Zielinski would not say whether a suspect was apprehended or dead.

The school has about 3,000 students. Its website was down Thursday, and a phone message left at the college was not immediately returned.

The sheriff’s office reported on Twitter that it received a call about the shooting at 10:38 a.m.

Students and faculty members were being bused to the Douglas County Fairgrounds, the sheriff’s office said.

The rural town of Roseburg is west of the Cascade Mountains in an area where the timber industry has struggled. Officials have tried to promote the region as a tourist destination for vineyards and outdoor activities.