
A fresh weather system over the Bay of Bengal brought heavy overnight rainfall to several parts of Tamil Nadu, with wet weather expected to continue until October 27.
Mamallapuram recorded the highest rainfall at 9 cm, while MGR Nagar in Chennai topped charts with 15 cm in the 24 hours ending Wednesday morning.
Schools were closed in five districts, and the Central Water Commission warned of possible water level rises in rivers including the Vaigai and Tamirabharani.