CHENNAI: A well-marked low-pressure area over the Bay of Bengal and the Indian Ocean intensified into a depression on Monday. The Regional Meteorological Centre has issued a red alert for delta districts of Mayiladuthurai, Nagapattinam and Tiruvarur, and Karaikal in Puducherry on Tuesday with extremely heavy rainfall forecast, and for Cuddalore, Mayiladuthurai, and Karaikal districts on Wednesday. An orange alert …
