Greece's government said Sunday it was now stepping up efforts to reach a bailout agreement with creditors following a referendum that early TV polls suggested backed the government in saying 'No' to harsh austerity terms.

"The initiatives will intensify from this evening (Sunday) onward so that there can be a deal," government spokesman Gabriel Sakellaridis said on Greek television.

He added that the Bank of Greece would also send a request to the European Central Bank requesting an increased emergency euro cash injection for Greece's depleted banks.