Video from a suburb of Argentina’s capital of Buenos Aires shows a bright red waterway. The area has multiple tanneries that use chemicals to treat leather.

A stream south of the Argentine capital turned a freakish vermilion this week, prompting concerns about pollution. Officials said it could be the result of “some type of organic dye.”

A canal in a suburb of Argentina's capital Buenos Aires turned bright red on Thursday, alarming local residents. Pictures and videos show the intensely coloured water flowing into an estuary, the Rio de la Plata, which borders an ecological reserve.

Image via Shutterstock Things certainly sound like they're getting biblical in Argentina. That darn Moses is at it again turning a river red with blood. Okay, so it's not actually blood. Although, that would be a late game plot twist.

The Argentina Environment Ministry said in a statement that it had taken water samples from the 'bloody river' and said that the reason behind this could be the presence of an 'organic pigment'.

A river in the greater Buenos Aires, Argentina, area turned an intense red on Thursday (February 6), alarming residents who suspected toxic spills were to blame, according to local reports. US says will levy tariffs on Mexico, Canada and China on Feb. 1

A river has been likened to a "stream of blood" after it turned red, prompting concern from locals. Photos and footage of the Sarandi canal, in the Argentinian municipality of Avellaneda, show the river's striking hue. The region's environment department said it was investigating, and that samples had been taken for testing.

A stream outside Buenos Aires has turned crimson red raising fears among residents. Local officials suspect the presence of a toxic substance called aniline.

A stream winding through a populous area on the outskirts of Buenos Aires has turned crimson red in recent hours, sparking fears of industrial chemical dumping, images shared by residents on social media showed Friday.