Fort Hood, Texas. -- (NBC News) Federal agents and army investigators are searching for answers after a soldier opened fire at Fort Hood Wednesday, killing three and injuring 16 before turning his gun on himself.
"He walked into one of unit buildings opened fires got in vehicle fired from vehicle got out walked into other building and opened fire again," confirmed Lt. General Mark Milley.
The suspect has been identified by military sources as 34-year-old Army Specialist Ivan Lopez.
Lopez was undergoing diagnostic testing for post traumatic stress disorder prior to the shooting.
More information on shooter: http://nbcnews.to/1dVif3I
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Officials saying shooter has been neutralized and three people are confirmed injured.
A shooter has been neutralized and 3 people have been confirmed injured at the shooting at Fort Hood in Texas - Senior source.— Tom Winter (@Tom_Winter) April 2, 2014
A shooting has occurred at Fort Hood, Texas — the same base where a military psychiatrist killed 13 people 4½ years ago — an Army official told NBC News.
As many as eight people may have been wounded and taken to hospitals, officials told NBC News.
Officials told NBC News that one person was in custody and that a second possible shooter was being sought.
The base was locked down, and all personnel on the base were ordered to shelter in place immediately.
Witnesses and military officials said the shooting occurred about 4:30 p.m. (5:30 p.m. ET). The base's emergency alert system immediately sounded, and all personnel were told to shelter in place.
Antonio Ortiz, 30, who lives a quarter of a mile from the east gate of Fort Hood, said he heard a commotion and went outside to hear alarms going off and announcements for people to stay inside.
He went back in and turned on the TV news, then soon after heard a barrage of gunshots.
"It sounded powerful,” he said, adding that while it seemed to be coming from the base, he couldn't rule out the possibility someone in the civilian neighborhood was shooting.
"I’m scared for my son. He’s seven," Ortiz said. "But I do have a 12-gauge pump shotgun."
Central Texas College nearby was being evacuated, and all Thursday evening classes at the college and at Fort Hood were canceled, the college said.
President Obama has been informed about the shooting at Fort Hood and will continue to receive updates, White House spokesman said.
Waco police told the public to avoid the fort, saying on Twitter that "there is an on-going active shooter."
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