Florence was out of danger due to the "decisive" role of a key floodgate that prevented the Arno river from bursting its banks after heavy rains, Italian authorities said Saturday.About 250 people were evacuated from their homes Friday after the equivalent of a month's worth of rain fell in six hours,

Florence was out of danger due to the "decisive" role of a key floodgate that prevented the Arno River from bursting its banks after heavy rains, Italian authorities said.

Authorities in Italy have placed Florence, Pisa, and surrounding areas under a red weather alert due to heavy rainfall and severe flooding.