Populists say central bankers need to be held responsible for bank weakness
League chief Matteo Salvin said on Saturday that the Bank of Italy and the market watchdog need to be cleaned out.
"We are here because those who should have supervised didn't supervise," he said at a gathering of former clients of banks that were wound down in 2017.
Three of the bank's five-member executive have terms due in the next four months.
Bank of Italy Governor Visco started his six-year term in 2017 despite opposition from Di Maio.
