Several flights were cancelled & delayed due to heavy rains in Chennai as Cyclone Michaung impacts Tamil Nadu. Severe waterlogging has been reported due to rains. Suburban train services have also been impacted. Heavy rainfall forecasted in Chennai, Kanchipuram, Chengalpattu, Tiruvallur, Ranipet, Vellore, Tiruvannamalai, Villupuram, Cuddalore, Kallakurichi, Tirupattur, Puducherry.