Oregon school shooting: What we know so far

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At least 10 people were dead, including the 20-year-old gunman, after a mass shooting at a science building at an Oregon community college Thursday.  Sheriff John Hanlin of Douglas County said seven others were wounded.

Earlier, 13 people were reported dead and as many as 20 people were reported injured.

The shooter, who has not been identified, was killed as he exchanged gunfire with officers at Umpqua  (UHMP'-kwah) Community College  in Roseburg, Oregon, about 180 miles south of Portland.

Here's what we know about the shootings so far:

  • The Douglas County Sheriff's Office said it received the first 911 call about the shooting at 10:38 a.m. local time.
  • The  Sheriff's Department said the shooting occurred in Snyder Hall, a science building.
  • One witness claimed he heard at least 30 shots as the gunman made his way through the building.
  • The shooter, a 20-year-old male,  is confirmed dead.
  • The Bureau of Alcohol, Tobacco and Firearms have dispatched nine agents from Portland to the scene.
  • At 4:28 p.m. EST, the state's attorney general said 13 people were killed in the shooting.
  • Umpqua Community College  is a rural campus in Douglas County, Oregon. It is a two-year college which prepares students for jobs or to go on to four-year institutions. The school has around 5,000 students, and offers programs in automotive technology, winemaking, hotels, hospitality and more, according to its website.
  • President Barack Obama was briefed on the shooting by a Homeland Security agent, according to the AP.
  • As of 2:17 p.m. local time, law enforcement authorities are still combing through the campus as part of the investigation, Douglas County Sheriff John Hanlin said.
  • In audio that is reportedly from a police radio channel, an officer can be heard saying the suspect was down and that there were victims with  "multiple gunshot wounds."

What we don't know:

  • The type of gun used in the shooting is not known.
  • No motive for the killings is known.
  • The precise number of victims who were injured has not been confirmed.