Washington (CNN) A US service member was killed, and two others were wounded in an apparent insider attack in southern Afghanistan Saturday, according to the NATO-led coalition's Resolute Support mission.

The incident happened at an Afghan army base in Uruzgan Province in southern Afghanistan, according to a US official.

In complying with Department of Defense policy, the name of the service member killed in action is being withheld until 24 hours after the next of kin is notified, the coalition said in a statement.

The coalition said the two wounded US service members are in stable condition and being treated.

Additional information will be released as appropriate, the Resolute Support said.

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