Swift action saves homes from more flooding By The Nation   Authorities had to take urgent action to protect several communities in Chainat province from flooding on Tuesday morning. Officials decided to release a large amount of water from the Chao Phraya Dam in Sappaya district after floodwaters started flowing into it at high speed.   Water was flowing into the dam at 3,044 cubic metres per second at 8 am and the upstream water caused the water level of the up