Kansas City Chiefs linebacker Jovan Belcher committed suicide at the team facility Saturday morning, CBS Sports reported, citing a team source. Belcher fatally shot his girlfriend at a house and then drove to Arrowhead Stadium and killed himself, according to KCTV-5. There were no other injuries at the team facility, according to police. "We can confirm that there was an incident at Arrowhead earlier this morning," the Chiefs said in a statement. "We are cooperating with authorities in their investigation." Belcher, 25, started 10 of 11 games at inside linebacker for the Chiefs this season and was in his third season as a fulltime starter, fourth overall in the NFL.