Some of those who live in places high enough to avoid being affected have gone elsewhere to stay with friends or relatives. The government will take measures to ensure the supply of daily necessities to people who stay at home, he added.

The flood control situation in the river may become even more acute with the coming downpours.

From Monday to Wednesday, heavy rainfall is forecast for the drainage basin of the river, raising the risk of flooding at its trunk stream. "Some medium-sized and small rivers may suffer major floods," the Ministry of Emergency Management said.