Authorities in Valencia have ruled out any imminent resignations from the regional government as anger continues to grow over the response to catastrophic flooding which left at least 222 people dead. Tens of thousands of people staged a protest in Valencia on Saturday night, accusing the regional government of sending out public alerts warning about the dangers of the flooding too slowly. A group of protestors, demanding the resignation of regional president Carlos Mazón, clashed with riot police in front of the city hall, where the rally started with police using batons to beat them back. Th…