'It looks like a stream of blood.' A river near Buenos Aires turns red, sparking fears of toxic leak

A stream near Buenos Aires turned blood-red, sparking fears of industrial chemical dumping. Residents shared shocking images, linking the phenomenon to nearby tanneries. Officials suspect aniline, a toxic dye chemical, and have launched an investigation. Locals report the stream has changed colors before and have long complained about pollution. Authorities are now examining water samples to determine the cause and potential health risks.