Madurai (Tamil Nadu), Nov 28 (ANI): Tamil Nadu Minister for Co-operation Sellur K Raju visited the Sellur pond area where the toxic foam is overflowing. He inspected the situation and gave orders to take appropriate actions to reduce the toxic foam. The Vaigai River and the Sellur pond in Madurai overflowed with toxic foam on November 28. The toxic foam was observed due to water pollution. Heavy rains lashed Madurai last night and the water levels rose at pond and Vaigai River. Mixing of waste water in ponds and the river formed the toxic foam.