Improved weather on Saturday helped rescuers on Indonesia's Sumatra island recover more bodies as they struggled to reach several areas that were hit by landslides and flash floods that left more than 300 dead and scores missing.

Some residents of the flood-hit island of Sumatra resorted to looting, seeking food and water to survive, authorities said Sunday. Aid has been slow to reach the hardest-hit city of Sibolga and the district of Central Tapanuli district in North Sumatra.

Videos on social media showed people scrambling past crumbling barricades, flooded roads and broken glass to get their hands on food, medicine and gas.

More than 300 people on Indonesia's western island of Sumatra have died in torrential rain and rain-triggered disasters.

A catastrophic natural disaster has struck Indonesia’s Sumatra Island. Deadly floods and massive landslides triggered by relentless monsoon rains have claimed more than 250 lives — and the numbers are still rising.

Heavy monsoon rain overwhelmed swaths of the three countries this week and left thousands stranded, many on rooftops awaiting rescue.