we can hear from our bbc vietnamese correspondent. 0ne hear from our bbc vietnamese correspondent.is no stranger to massive storms and rains but this one is different. heavy rains have triggered flash floods in northern and central vietnam, over just triggered flash floods in northern and central vietnam, overjust a couple of days, but it took away houses and bridges, animals and people, at a speed the country has not seen in decades. the local government in this province has declared a state of emergency and open several gates to discharge water at the country's largest hydroelectric dam, the first time it has done so in years. the decision had an immediate impact on community is downstream. as you can see on my left hand side, where the farmers and the fishermen live, and what happened, there is a portion of the dam that was broken, and the government official was quoted as saying they broke it deliberately to release the water pressure in other parts of the river. whatever the reason, hundreds of families are suffering the disaster. translation: it's been flooded like this now f