Gen. Zhang Youxia, who helmed China's military, faces allegations of sharing nuclear secrets with the United States, The Wall Street Journal reported.

Zhang Youxia, the senior of the two vice chairs of the powerful Central Military Commission, is the latest figure to fall in a long-running purge of military officials.

Gen. Zhang Youxia no longer is China's top military general after being ousted amid an investigation into alleged legal and disciplinary violations.