evidence: Dr. Charles Lieber, 60, who is the chair of Harvard’s Chemistry and Chemical Biology Department, is accused of lying about working with several Chinese organizations, where he collected hundreds of thousands of dollars from Chinese entities, US Attorney Andrew Lelling said at a news conference. [...] CNN has reached out to an attorney for Lieber. In a statement, Harvard called the charges "extremely serious." "Harvard is cooperating with federal authorities, including the National Institutes of Health, and is conducting its own review of the alleged misconduct," the university said in a statement. "Professor Lieber has been placed on indefinite administrative leave."