The talks were ordered by the Prime Minister as speculators launched waves of attacks against HBOS, which owns former building society Halifax and the Bank of Scotland as well as Birmingham Midshires, Clerical Medical and Intelligent Finance. Mr Brown is understood to have spoken first to Lloyds TSB chairman Sir Victor Blank, who he has known for many years, at a City function on Monday night. The Prime Minister also contacted HBOS chairman Lord Stevenson, who is an adviser to the Government on education.