PADANG SIDEMPUAN, Indonesia — Indonesia ’s president told survivors of last week’s devastating floods that help was arriving to those in need Monday as Asian governments scaled up their responses to a disaster that has left more than 1,000 dead in three countries.

Hundreds more are missing following flooding and landslides in the past week, which killed at least 502 people in Indonesia, 334 in Sri Lanka and 170 in Thailand , authorities said.

Indonesia President Prabowo Subianto pledged to rebuild infrastructure while visiting areas affected by floods and landslides on the island of Sumatra that left thousands homeless and 508 people missing as of Monday.

A mosque standing amid mud in a flood-affected area in Meureudu, Indonesia, on Sunday.

Chaideer Mahyuddin / AFP via Getty

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