Update: At a press conference Wednesday evening, it was confirmed that four people were killed, including the shooter; 16 people were injured in the Fort Hood shooting.
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KVUE -- At least four people are dead and 14 are injured following a shooting at Fort Hood, according to U.S. Congressman Michael McCaul.
Fort Hood officials say the post's directorate of emergency services has received reports that the shooter is dead, but cannot yet confirm the reports. However, CNN and the Associated Press are sourcing multiple U.S. officials that say the shooter is dead of a self-inflicted wound. It's unknown if there are any additional fatalities.
Patients are being taken to Scott and White Hospital in Temple, Carl R. Darnall Army Medical Center in Fort Hood and other local hospitals. Scott and White says it has received three patients.
Fort Hood's official account tweeted, "All personnel on post are asked to shelter in place." Waco police said emergency sirens were sounding on post, and personnel were being advised to stay away from windows and keep doors closed and locked. The post is on lockdown.
KVUE's sister station KENS 5 says around 4:35 pm Wednesday, around 20 rounds were shot outside near the transportation motor pool, but then the shooter went into the medical brigade building, according to a soldier on post at Fort Hood. The soldier said there appeared to be some sort of standoff happening.
"Immediately heard four gun shots and assumed they were blank rounds," a soldier said. "We then heard a burst, another burst and it was clear they weren't blank rounds. They were live rounds."
The solider also said soldiers took off from the transportation motor pool toward a 7-foot-high barbed wire fence and tried to climb the fence to get away. The soldier said he saw at least one person get hit.
According to Shelly Humphrey with Metroplex Hospital in Killeen, the hospital has been placed on standby. They have not yet received any injured patients. Central Texas College in Killeen is evacuating its campus. All evening and night classes have been canceled for the rest of the day.
Killeen police and EMS say they're aware of the shooting, but they're not assisting at the moment. The incident is being handled by Fort Hood officials. Bell County Sheriff's Office and Department of Public Safety officials are responding.
Fort Hood was the scene of a mass shooting in 2009. Thirteen people were killed and more than 30 wounded in what was the deadliest attack on a domestic military installation in history.
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For more developments, visit KVUE.com.