Story: Shooter once lived in Vinton

FORT HOOD, Texas — A military official says one more person has died after being injured during a shooting rampage at Fort Hood in Texas.

Post spokesman Tyler Broadway said early Friday that the toll now stands at 13 dead and 30 wounded. Late Thursday, officials said 12 people had been killed and 31 wounded in the afternoon attack.

The victims' identities haven't been released.

The suspected shooter, Maj. Nidal Malik Hasan, was on a ventilator and unconscious in a hospital late Thursday.

The Army psychiatrist was shot four times after the rampage began around 1:30 p.m.

The motive for the shootings isn't clear. Military officials say they are still piecing together what may have pushed Hasan, an Army psychiatrist trained to help soldiers in distress, to turn on his comrades.

The base commander at Fort Hood says soldiers who witnessed the shooting reported that Hasan shouted "Allahu Akbar!" before opening fire at the Texas post.

Lt. Gen. Robert Cone told NBC's "Today" show Friday that Hasan made the comment, which is Arabic for "God is great!" before the rampage Thursday that also left 30 people wounded.

Cone says Hasan was not known to be a threat or risk.

On CBS's "The Early Show," Cone said Hasan carried out his gunfire in "a very calm and measured approach."

He said authorities have not yet been able to talk to Hasan.

Some 300 soldiers were lined up to get shots and eye-testing at a Soldier Readiness Center when the shots rang out, according to Cone. Cone said one soldier who had been shot told him, 'I made the mistake of moving and I was shot again.' " The general said survivors told him that during the rampage, soldiers "would scramble to the ground and help each other out."