Follow latest #forthood developments on Twitter

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Eleven people plus a gunman were killed and 31 were wounded after the gunman opened fire at Fort Hood in Texas on Thursday, a Fort Hood spokesman said. The gunman was a soldier, and two other soldiers have been detained as suspects, said the spokesman, Lt. Gen. Bob Cone. Cone said more than one shooter may have been involved.

Officials at Fort Hood, which is the Army's largest U.S. post, were asking people there to stay away from windows, CNN affiliate KXXV said. The incident took place at the sports dome, now known as the soldier readiness area, the station reported.

The US Army is updating the situation through its Twitter account. Follow the latest developments on #forthood or through the US Army's twitter feed: @USArmy. Check out some recent tweets.

@USArmy Fort Hood officials confirm 12 dead, 31 wounded in Fort Hood shooting. Installation remains locked down.

@USArmy RT @lizart In times of crisis it's a reminder of the important need to give blood, if you're able. Contact your local @RedCross for more

@USArmy Thanks to all those sending thoughts and prayers to those killed and injured and their families at Fort Hood, Texas.