Corpus Christi Naval Air Station
The entrances to the Naval Air Station-Corpus Christi are closed following an active shooter threat, Thursday, May 21, 2020, in Corpus Christi, Texas. Naval Air Station-Corpus Christi says the shooter was "neutralized" and the facility is on lockdown. (Annie Rice/Corpus Christi Caller-Times via AP)

The shooting at the Naval Air Station Corpus Christi in Texas on Thursday is terrorism-related, the FBI said.

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The shooter, who has not been identified, is dead, but a second person of interest may be at large in the community, according to the FBI. 

“We have determined that the incident this morning at the Naval Air Station Corpus Christi is terrorism related. We are working diligently with our state, local and federal partners with this investigation, which is fluid and evolving,” said Leah Greeves, FBI supervisor senior resident agent in Corpus Christi.

During a news conference, Greeves encouraged the public “to remain calm.” 

“I assure you that you have an absolutely awesome brotherhood of law enforcement working together because the safety of Corpus Christi is paramount to each of us,” Greeves said. 

The naval air station was put on lockdown after a shooter opened fire on the base Thursday morning. 

Naval security forces responded about 6:15 a.m. local time, according to the station. The lockdown was lifted later Thursday morning.