Rescuers evacuate an elderly woman from an area flooded by heavy rains in Deli Serdang, North Sumatra province, Indonesia, on November 28. Ferdy Siregar/Reuters

Heavy rainfall has unleashed widespread flooding and landslides across Asia, killing more than 600 people with hundreds still missing.

Cyclone-fueled downpours battered parts of Indonesia, Thailand and Malaysia this week when a rare tropical storm formed in the Malacca Strait – a narrow waterway separating the Indonesian island of Sumatra from the other two nations.

Sri Lanka was struck by a separate storm from which heavy rains are now approaching India’s southern coast, prompting the cancellation of 47 flights at Chennai Airport on Saturday, according to a post on X .

The severe weather has claimed the lives of at least 3

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