Toxic foam floats near Yamuna River bank in Delhi ANI | Updated: Apr 06, 2021 23:21 IST New Delhi [India], April 6 (ANI): Toxic foam was seen floating in the Yamuna river at Kalindi Kunj in the national capital on Tuesday. Environmentalists earlier have stated that the reason for the frothing could be the release of certain gases when reacting with few specific bacteria. Toxic foam at the Yamuna river hit global headlines when in 2019 pictures of devotees of Chhat puja were seen standing in waist-deep toxic forth in the Yamuna at Kalindi Kunj. Experts when asked about the particular episode of the surge in toxic level, stated that the froth was a common thing in the Yamuna but has increased in the last five-six years.