A French company Electrictie de France (EDF) that is co-owner and recommended to be shut down because of an imminent radiological threat. The US government did assess this leak report from a Chinese nuclear power plant by a French company.
However, a French company was not able to do anything because the final decision is up to the Chinese Nuclear Power Plant owner in China.
The nuclear disaster is due to happen any moment on our Earth. The US would be required to make it known under current treaties related to nuclear accidents with China.