02\12\2019 Chennai alert

Waves wiped up the usual algal white foam, but pollutants have made it toxic according to city officials, who said it would may subside "within a day or two". It blanketed the Marina Beach in Chennai, India.

https://www.bbc.co.uk/news/av/world-asia-india-50625760/chennai-children-play-as-toxic-foam-blankets-indian-beach