Transcript for US employee in China suffers brain injury after reporting strange sounds, pressure

If I might add here for the benefit. Of those who who saw the news last night we had an incident. In long zoo that was. That the medical indications are. Very similar an entirely consistent with the medical in the case is that have taken place to Americans working in Cuba. One incidents. We announced into the workforce while we slept here last night we have medical teams that are moving to be on the ground there. We are who we are. Working to figure out what took place both in Nevada and in now in China as well. We've asked the Chinese for their assistance in doing that. And they have committed to honoring their commitments under the Vienna Convention to keep American foreign service officers say.

This transcript has been automatically generated and may not be 100% accurate.