<p>A thick layer of toxic foam was seen floating continuously on the Yamuna River at Kalindi Kunj in the national capital on November 15.</p>.<div><p><strong>Deccan Herald is on WhatsApp Channels</strong>| <a href="https://www.deccanherald.com/specials/deccan-herald-is-now-on-whatsapp-heres-how-you-can-join-2698271">Join now for Breaking News & Editor's Picks</a></p></div>