UPDATE: A team source tells CBSSports.com that linebacker Jovan Belcher killed his girlfriend and then himself.
Breaking news out of Kansas City. News is still coming in, but reports are saying an unnamed Chiefs player shot and killed his girlfriend, then drove to the Chiefs practice facility and killed himself.
Per KCTV5 in Kansas City:
"KANSAS CITY, MO (KCTV) - Police are investigating two deadly shootings Saturday morning that they said are related.
The shootings involve a Chiefs player and his girlfriend.
The first shooting was reported about 8 a.m. at a home near 54th Street and Chrysler Avenue. The second shooting was reported a short time later at a Chiefs practice facility located on the Arrowhead facility.
Officials said the Chiefs player shot and killed his girlfriend and then drove to the practice facility where he shot and killed himself.
It's unknown if people were at Arrowhead or any of its surrounding facilities at the time."