South Korea’s Central Military Court has issued an arrest warrant for an intelligence service employee on charges of leaking military secrets, reportedly to North Korea.

Announcing the warrant on Tuesday, the defense ministry stated that it will not provide specific details about the employee’s alleged criminal activities at this time due to the ongoing investigation.

“The investigation will continue rigorously in accordance with the law and established principles,” a ministry spokesperson said Tuesday.

The issuing of the arrest warrant comes after the defense ministry confirmedon Monday that it was investigating the suspected disclosure of a classified list of South