UPDATE: The shooting suspect was identified as Muhammad Youssef Abdulazeez, 24, an electrical engineer from Hixson, Tennessee. Abdulazeez was a naturalized U.S. citizen, originally from Kuwait, The Washington Post reports. He was scheduled to appear in court for a DUI charge on July 30.
Shootings at two military facilities in Chattanooga, Tennessee will be investigated as "acts of terrorism."
A gunman killed four Marines and injured three other people on Thursday morning. The suspect shot at the facilities from a vehicle, according to reports.
The gunman was also dead, and a motive is not known. President Barack Obama was briefed on the situation Thursday afternoon.
Berke said among those shot, one police officer was struck in the ankle, and has survived.
Chattanooga State Community College, Lee University, all state offices and a local hospital were all placed on lockdown during the active shooter situation, which began some time after 11 a.m. Eastern. Temporary flight restrictions were put in place through 6 p.m.
"Horrific incident in our community," Chattanooga Mayor Andy Berke wrote on Twitter. "We will release details as they are confirmed. Prayers to all those affected."
BREAKING: US official: 5 dead in Tennessee shooting, including 4 Marines and sole gunman.
— The Associated Press (@AP) July 16, 2015
ATF, FBI, Homeland Security, TN Dept. of Homeland Security, Chattanooga Police Department will all be investigating the #ChattanoogaShooting
— NewsChannel 5 (@NC5) July 16, 2015