Three people died in the incidents — two of them victims and one a suspected robber, according to Sao Paulo military police. Five others were injured and two suspects were apprehended and sent to jail.
A squad of more than 380 police officers are now looking for more than a dozen suspects who remain at large. School classes were suspended in the city, which has a population of around 200,000, following the blasts.
“그들 [the criminals] had inside information that one of the banks had a large sum of money, so they went to the city,” said Sao Paulo public security secretary Alvaro Batista Camilo to CNN affiliate CNN Brazil.
Police said that more than 20 heavily armed men carried out the attack, adding that drones were used by the robbers to monitor the streets as they entered the city and escaped, 로이터보고.
People were urged not to leave their homes until all the explosives were found and deactivated, Reuters added.
This is the latest in a string of bank heists in Brazil. There were two similar raids last December on consecutive days in the cities of Cametá and Criciúma, 로이터에 따르면, both on branches of Banco do Brasil.