Fitch has downgraded Brazil's Digimais bank and warned a failure is a real possibility, the clearest sign yet that the Banco Master crisis is spreading.

Fitch has downgraded Brazil's Digimais bank and warned a failure is a real possibility, the clearest sign yet that the Banco Master crisis is spreading.

Brazil's Federal Police raided Digimais, the church-owned bank Fitch warns may fail, freezing R$670m as the Banco Master crisis spreads.