BOGOTA (Reuters) - Floods and torrential downpours in southern and eastern Colombia killed at least 11 people and destroyed dozens of homes, local media reported on Sunday.

At least 90 homes were destroyed near Bucaramanga in eastern Santander province, and 50 more homes were swept away in southern Putumayo province when the river that marks Colombia's border with Ecuador burst its banks.

Television images showed torrents of muddy water flowing through the streets of Pasto, the capital of Narino province, also in the south. Water reached the windows of cars stranded throughout the city.

RCN television reported 11 people were killed in the floods in Narino but the figure could not immediately be confirmed with authorities.

Meteorologists forecast more heavy rain for the flood-hit areas throughout this week.