BBC officials reported this.
Previously, the number of victims was reported to be 435.
Evacuation efforts continue on the island, major roads are closed, and internet and electricity have been partially restored.
Monsoons, intensified by tropical storms have caused the strongest floods in Southeast Asia in recent years. Hundreds of people have died and gone missing in Malaysia and Thailand, and millions across the region have been affected.
The official death toll in Thailand has now reached 170, also two more deaths recorded in the northern Malaysian state of Perlis.
Nearly 200 people have died in Sri Lanka due to extreme weather conditions caused by floods and landslides, reported by report.az.
