At least 13 people died and tens of thousands evacuated in one of the worst floods in decades to batter southern Thailand and northern Malaysia.

Flooding in southern Thailand has left at least nine dead and affected over half a million households. Residents continue to evacuate as floodwaters persist for a fourth day. Authorities warned that more heavy rain is expected.

The death toll from the worst floods in decades in southern Thailand and northern Malaysia climbed to at least 12 on Saturday, authorities said, as tens of thousands of people were evacuated due to rising water levels in the past three days.