New Jersey Governor Chris Christie said "there is no justification" for the behaviour of his former aide Bridget Kelly's over the bridge scandal.
Christie, a possible Republican White House contender, told a news conference, "There is no justification for ever lying to a governor or a person in authority in this Government".
More top news
Secret Service agents were forced to intervene to protect the Democrat Senator during a US presidential election speech.
Martin Senn, a chief executive of the Swiss giant for six years, took his own life, according to his family.
The singer demanded a fan stop using a tripod during a live show and advised her to enjoy it "in real life".