At least seven people are dead and 20 wounded in a mass shooting Thursday at Fort Hood, Texas, and at least one suspect is believed to be holed up in a building and shooting at SWAT team members, NBC News and affiliate KCEN reported.
It was unknown whether the victims were all soldiers or civilians at Fort Hood, one of the largest military complexes in the world.
One gunman was reportedly in custody and another was on the loose, an A third shooter may be involved, according to NBC News affiliate KCEN in Waco, which said the person was holed up in building 42006 on the base and had opened fire on SWAT team members. KCEN quoted a source as saying the shooter had a high-powered rifle.
