One of the four Marines killed in an attack Thursday was a native of Springfield.
While the Department of Defense has not released the names of the victims, family members have expressed their grief on social media.
A post on Nathan Bill's Bar & Restaurant read, " Rest In Peace Gunnery SGT. Thomas Sullivan. Anyone who went to Holy Cross School, Cathedral High School or grew up in the East Forest Park knew who Tommy was. He was our hero and he will never be forgotten. Please keep his family & friends in your thoughts & prayers. Thank you Tommy for protecting us."
Sullivan was one of four Marines gunned down by suspect Muhammad Youssef Abdulazeez in Chattanooga, Tennessee Thursday afternoon. Authorities say Abdulazeez was killed by police during a gun battle with police a short time later.
The shootings took place at two military centers in Chattanooga.
Federal authorities have called the shooting an act of domestic terror.
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