Angola Floods Kill Over 30 Kids, 25 Adults
The Angop state news agency says the flood water has reached 3m (9.8ft) in some areas of the city since Wednesday.
Scores of homes have been destroyed and rescue teams are still searching for missing people.
President Jose Eduardo Santos has ordered local authorities to provide assistance to the victims.
Large parts of Angola have been hit by heavy rains since January.
In the capital Luanda, at least one person died this week and hundreds of people were left homeless after 137 houses were destroyed by the rains, state media report.