School Shooting

UPDATED 4: 00 p.m. ET: The Denver Post is reporting the suspected shooter is dead.

UPDATED 3: 50 p.m. ET: The Associated Press is reporting one student is in critical condition.

Police in Centennial, Colorado say there's an "active shooting situation" at Arapahoe High School.

There are potentially two victims, although their condition is unclear.

1st photo from #Arapahoe HS shooting scene. @CarlBilek in the area. School behind restaurant. http://t.co/zld1uuphGd pic.twitter.com/Zl3Ivrvx63

— 7NEWS Denver Channel (@DenverChannel) December 13, 2013

Arapahoe High School is in the same district as Columbine High School, which was the site of an infamous 1999 mass shooting spree.

It's also worth noting that tomorrow will be the one-year anniversary of the tragedy at Sandy Hook Elementary School in Newtown, Connecticut.