House retaining wall collapses in Porto Alegre after heavy rain Maria Eduarda Ely/ RBS TV The retaining wall of a house collapsed in Vila Canada, in the Cristal neighborhood, in Porto Alegre. The case happened around 5pm this Tuesday (21). Nobody was injured. According to the Fire Department, the large volume of rain left the ground soaked and caused the collapse. ? Access the g1 RS channel on WhatsApp Two houses were closed: the residence where the wall gave way and the neighboring property, which could be affected if the remaining structure collapses. A third family was also asked to leave the area as a precaution. Heavy rain and alerts in RS Residents will only be able to return home after a technical assessment that proves that the properties are in safe conditions for occupation. Disturbances in RS Rio Grande do Sul has been hit by heavy rains since Friday (17) and is suffering from disruptions in several cities. At least 73 municipalities recorded damage. The Civil Defense bulletin also points out that 25 people were left homeless in seven municipalities affected by the storms: Cerro Branco, Dona Francisca, Alegrete, São Borja, Santa Maria and Vale do Sol. The tendency is for instability to persist throughout the night, maintaining the condition of attention for new disturbances. VIDEOS: Everything about RS