sentences:  The mayor is also recognized as the official head of the city by the courts and has the power to take command of the police and govern the city by proclamation during times of great danger.The City of Yuma City Council is the governing body of the City of Yuma and is vested with all powers of legislation in municipal affairs.The council is composed of six council members elected from the city at large for four-year terms, as well as the Mayor of Yuma.