Chennai, Dec. 3 -- As many as 18 domestic flights were cancelled at the Chennai airport owing to heavy rains triggered by the remnants of Cyclone Ditwah on Tuesday.

The Chennai airport authorities posted on X of the list of cancellations and added, "Passengers are requested to check with the airline for updates."

Schools and colleges in Chennai were closed on Tuesday. The Greater Chennai Corporation had 107 boats on standby to rescue civilians in low-lying areas and shelter them in relief centres.

The city remained on orange alert throughout the day. On Tuesday, several parts of Chennai recorded extremely heavy rainfall - Ennore (26 cm), Parrys (25 cm), Ice House (22 cm), Manali New Town and Ponneri (21 cm).

Several arterial roads and...