Nov. 30 (UPI) -- Rescue workers in Indonesia are searching for at least 400 people who are believed to have been buried alive following landslides caused by torrential rains and flooding from cyclones nearly a week ago.

The death toll on the island of Sumatra is at least 440 people, the government has reported. Workers are attempting to deliver aid into the affected areas by land and sea, but have been unable to reach some locations, which has prompted some people to steal food and water, local officials reported.

This month, torrential storms have devastated parts of Thailand, Malaysia, the Philippines and Sri Lanka, leaving more than 900 people dead and affecting millions more.

Senyar, a rare tropical storm, caused major landslides and catastrophic flooding in Indonesia, which swept away homes and left thousands of buildings under water, officials said.

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