Officials in Indonesia and Sri Lanka battled Wednesday to reach survivors of deadly flooding in remote, cut-off regions as the toll in the disaster that hit four countries topped 1,300.In Indonesia, there is growing frustration among survivors of catastrophic flooding and landslides over the pace of the rescue effort and aid delivery.

Flood rescue teams in Thailand readied drones to deliver aid and helicopters dropped supplies to people marooned on rooftops, as the death toll from its worst floods in years rose and the number killed by a cyclone in Indonesia climbed to 61.