This water is raising a red flag. A canal in Argentina mysteriously turned bright red on Thursday, alarming residents who were woken up by its strong odor. “The smell woke us up. In the daytime, when we looked at this side of the river,

Argentina's Environment Ministry has collected water samples from the Sarandi Canal for further analysis to determine the source of the colour change.

A river in a suburb of Buenos Aires, Argentina, turned a shocking bright red on Thursday. The brightly colored water was seen flowing into the Rio de la Plata estuary, located next to an ecological reserve. Local media have speculated that the sudden color change could be due to textile dye or chemical waste being dumped from a nearby depot.