(CNN) -- Heavy rains killed at least seven people in Brazil and injured more than 135, the government reported Wednesday.
A power outage affects traffic lights Tuesday in Brazil's Sao Paulo area after a heavy storm.
Four people died Tuesday in the western city of Guaraciaba, near where a tornado killed 10 residents in an Argentinean town late Monday. The two cities are a few miles apart across the border.
Another three people -- two children and a woman -- died in a rain-triggered mudslide Tuesday in the Brazilian city of Sao Paulo, the government-run Agencia Brasil news outlet said.
In Guaraciaba, 138 residents were injured, and 40 were hospitalized, the Brazilian Civil Defense agency said Wednesday. About 70 percent of the homes were damaged, leaving more than 5,800 residents homeless, the agency said.
Throughout Brazil, the rain and wind have affected 70,000 residents in 45 cities, Agencia Brasil said Wednesday.
Officials put Sao Paulo on alert Wednesday morning due to heavy rains. Flooding was reported in many parts of the city.
Argentine President Cristina Fernandez de Kirchner arrived Wednesday at the remote town of San Pedro to inspect the damage caused by Monday night's tornado. Eight of the 10 fatalities in the town were children, federal Health Minister Juan Manzur said.
The tornado also injured more than 60 people and destroyed 100 homes, four schools and a health center, local official Jorge Franco said, according to the official Telam news agency.
Seventeen people remained hospitalized Wednesday with serious injuries, the government-run Telam said.