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BILOXI – Keesler Air Force Base is on alert as authorities search for a civilian on the base that may be armed.

In a post that went out out on the base’s Facebook page and Twitter account around 10: 20 a.m., all facilities are instructed to “implement controlled entry.”

Base personnel have to present identification in order to enter any building while the controlled entry order is in place, according to a spokesperson for the base.

“Be on the look out for Bruce Sledge,” the posts read. “Proceed with caution. Individual may be armed.”

Sledge is driving a red four door truck, according to the posts.

Military police are searching for Sledge.

Stay tuned to WGNO for continuing coverage.