AP - On the weekend before the pivotal Florida primary, Newt Gingrich vowed Saturday to stay in the race for the Republican presidential nomination until the national convention this summer even if he loses Tuesday's vote. Front-runner Mitt Romney poured on the criticism of his rival in television ads airing across the state.

AP - Oakland police said they arrested about 300 people Saturday as protesters spent a portion of the day trying to get into a vacant convention center, and later broke into City Hall and tried to occupy a YMCA.

AP - The driver of an SUV veered around a crossing arm and ignored flashing warning lights before the vehicle was struck by a light-rail train in Sacramento on Saturday, killing an infant and two adults, authorities said.