Dan Mitchinson: US correspondent on the Discord chat group linked to the Pentagon leak - Heather du Plessis-Allan Drive

The leaking of various Pentagon documents has been traced to an unlikely source.

The batch of top-secret documents may have been initially shared on video game chat platform Discord, according to open-source intelligence analysts. 

US correspondent Dan Mitchinson says there's speculation that the child of a Pentagon employee may have gotten access to the documents and used a Discord chat to show them off.

Dan Mitchinson says the White House is taking action to rein these leaks in before more information is distributed.

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