Jamshedpur, April 2 -- At least four quintals of dead fish were found floating in river Subarnarekha - lifeline of Jharkhand - in Bhuiyandih and Agrico on Tuesday, which were sold by the nearby slum dwellers to fish traders, sparking river pollution concerns and health risks to the citizens of Jamshedpur, people familiar with the matter said on Wednesday.

"It needs to be investigated as to if such high number of fishes died due to lack of oxygen in the water or or chemical poisoning or due to pollution of other kinds. If the fishes died due to lack of oxygen, consuming those in low quantity won't do much harm health-wise but if these fishes died due to chemical or industrial effluents, consumption of such fishes may pose serious health r...