title: Tillerson urges return to civilian rule in Zimbabwe
text: WASHINGTON (Reuters) - U.S. Secretary of State Rex Tillerson on Friday urged  a quick return to civilian rule  in Zimbabwe after its army took charge earlier this week, and called events there  a concern.    Zimbabwe has an opportunity to set itself on a new path, one that must include democratic elections and respect for human rights,  Tillerson told the foreign ministers from the African continent ahead of a meeting in Washington.  